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100 results found for "consecutive-radii" in Class 10.

यदि (5,11,n,23) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (n) क्या है?

If (5,11,n,23) are consecutive terms of an arithmetic progression, what is (n)?

Explanation opens after your attempt
Correct Answer

C. (17)

Step 1

Concept

The common difference is (11-5=6), so (n=11+6=17). It is easy to find (d) from the first two terms.

Step 2

Why this answer is correct

The correct answer is C. (17). The common difference is (11-5=6), so (n=11+6=17). It is easy to find (d) from the first two terms.

Step 3

Exam Tip

सार्व अंतर (11-5=6) है इसलिए (n=11+6=17)। पहले दो पदों से (d) निकालना आसान होता है।

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यदि किसी अंकगणितीय श्रेणी में लगातार पद (27) और (35) हैं तो (d) क्या है?

If two consecutive terms in an arithmetic progression are (27) and (35), what is (d)?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

(d=35-27=8). When consecutive terms are given, subtract the earlier term from the later term.

Step 2

Why this answer is correct

The correct answer is A. (8). (d=35-27=8). When consecutive terms are given, subtract the earlier term from the later term.

Step 3

Exam Tip

(d=35-27=8) है। लगातार पद दिए हों तो बाद वाले पद में से पहले वाला पद घटाएं।

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यदि किसी समांतर श्रेढ़ी के लगातार दो पद (18) और (25) हैं, तो सार्व अंतर क्या है?

If two consecutive terms of an arithmetic progression are (18) and (25), what is the common difference?

Explanation opens after your attempt
Correct Answer

C. (7)

Step 1

Concept

The common difference is (25-18=7). When consecutive terms are given, subtract directly.

Step 2

Why this answer is correct

The correct answer is C. (7). The common difference is (25-18=7). When consecutive terms are given, subtract directly.

Step 3

Exam Tip

सार्व अंतर (25-18=7) है। लगातार पद दिए हों तो सीधे घटाव करें।

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यदि (6,10,n,18) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (n) क्या है?

If (6,10,n,18) are consecutive terms of an arithmetic progression, what is (n)?

Explanation opens after your attempt
Correct Answer

D. (14)

Step 1

Concept

The common difference is (10-6=4), so (n=10+4=14). It is easy to find (d) from the first two terms.

Step 2

Why this answer is correct

The correct answer is D. (14). The common difference is (10-6=4), so (n=10+4=14). It is easy to find (d) from the first two terms.

Step 3

Exam Tip

सार्व अंतर (10-6=4) है इसलिए (n=10+4=14)। पहले दो पदों से (d) निकालना आसान होता है।

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यदि किसी अंकगणितीय श्रेणी में लगातार पद (12) और (17) हैं तो (d) क्या है?

If two consecutive terms in an arithmetic progression are (12) and (17), what is (d)?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

The common difference is (17-12=5). When consecutive terms are given, subtract the earlier term from the later term.

Step 2

Why this answer is correct

The correct answer is C. (5). The common difference is (17-12=5). When consecutive terms are given, subtract the earlier term from the later term.

Step 3

Exam Tip

सार्व अंतर (17-12=5) है। लगातार पद दिए हों तो बाद वाला पद घटा पहले वाला पद करें।

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यदि किसी समांतर श्रेढ़ी के लगातार पद (32) और (41) हैं तो सार्व अंतर (d) क्या होगा?

If consecutive terms of an arithmetic progression are (32) and (41), what will be the common difference (d)?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

The common difference is (41-32=9). When consecutive terms are given, no long formula is needed.

Step 2

Why this answer is correct

The correct answer is C. (9). The common difference is (41-32=9). When consecutive terms are given, no long formula is needed.

Step 3

Exam Tip

सार्व अंतर (41-32=9) है। लगातार पद दिए हों तो कोई सूत्र लंबा लगाने की जरूरत नहीं होती।

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यदि समांतर श्रेढ़ी के लगातार दो पद (26) और (31) हैं, तो सार्व अंतर क्या है?

If two consecutive terms of an arithmetic progression are (26) and (31), what is the common difference?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

The common difference is (31-26=5). When consecutive terms are given, directly find the difference.

Step 2

Why this answer is correct

The correct answer is B. (5). The common difference is (31-26=5). When consecutive terms are given, directly find the difference.

Step 3

Exam Tip

सार्व अंतर (31-26=5) है। लगातार पद दिए हों तो सीधा अंतर निकालें।

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यदि समांतर श्रेढ़ी के लगातार दो पद (18) और (23) हैं, तो सार्व अंतर क्या होगा?

If two consecutive terms of an arithmetic progression are (18) and (23), what is the common difference?

Explanation opens after your attempt
Correct Answer

A. (5)

Step 1

Concept

The common difference is the second term minus the first term. Therefore, (23-18=5).

Step 2

Why this answer is correct

The correct answer is A. (5). The common difference is the second term minus the first term. Therefore, (23-18=5).

Step 3

Exam Tip

सार्व अंतर दूसरा पद घटा पहला पद होता है। इसलिए (23-18=5)।

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दो क्रमागत विषम धनात्मक पूर्णांकों का गुणनफल (483) है। बड़ी संख्या क्या है?

The product of two consecutive positive odd integers is (483). What is the larger integer?

Explanation opens after your attempt
Correct Answer

B. (23)

Step 1

Concept

The integers are (x) and (x+2). From (x(x+2)=483), (x=21), so the larger integer is (23).

Step 2

Why this answer is correct

The correct answer is B. (23). The integers are (x) and (x+2). From (x(x+2)=483), (x=21), so the larger integer is (23).

Step 3

Exam Tip

संख्याएँ (x) और (x+2) हैं। (x(x+2)=483) से (x=21) मिलता है इसलिए बड़ी संख्या (23) है।

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दो क्रमागत सम धनात्मक पूर्णांकों का गुणनफल (360) है। छोटी संख्या क्या है?

The product of two consecutive positive even integers is (360). What is the smaller integer?

Explanation opens after your attempt
Correct Answer

B. (18)

Step 1

Concept

Let the integers be (x) and (x+2). From (x(x+2)=360), \(x^2+2x-360=0\), so (x=18).

Step 2

Why this answer is correct

The correct answer is B. (18). Let the integers be (x) and (x+2). From (x(x+2)=360), \(x^2+2x-360=0\), so (x=18).

Step 3

Exam Tip

संख्याएँ (x) और (x+2) मानें। (x(x+2)=360) से \(x^2+2x-360=0\) और (x=18) मिलता है।

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दो क्रमागत धनात्मक पूर्णांकों का गुणनफल (552) है। वे पूर्णांक कौन-से हैं?

The product of two consecutive positive integers is (552). Which are the integers?

Explanation opens after your attempt
Correct Answer

B. (23) और (24)(23) and (24)

Step 1

Concept

Let the numbers be (x) and (x+1). From (x(x+1)=552), we get (x=23).

Step 2

Why this answer is correct

The correct answer is B. (23) और (24) / (23) and (24). Let the numbers be (x) and (x+1). From (x(x+1)=552), we get (x=23).

Step 3

Exam Tip

मान लें संख्याएँ (x) और (x+1) हैं। (x(x+1)=552) से (x=23) मिलता है।

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दो क्रमागत प्राकृतिक संख्याओं के वर्गों का योग (365) है। वे संख्याएँ कौन सी हैं?

The sum of the squares of two consecutive natural numbers is (365). Which numbers are they?

Explanation opens after your attempt
Correct Answer

C. (13) और (14)(13) and (14)

Step 1

Concept

Take the numbers as (x) and (x+1). From (x-2+(x+1)2=365), we get (x=13).

Step 2

Why this answer is correct

The correct answer is C. (13) और (14) / (13) and (14). Take the numbers as (x) and (x+1). From (x-2+(x+1)2=365), we get (x=13).

Step 3

Exam Tip

संख्याएँ (x) और (x+1) लें। (x-2+(x+1)2=365) से (x=13) मिलता है।

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दो क्रमागत धनात्मक पूर्णांकों का गुणनफल (240) है। वे पूर्णांक कौन से हैं?

The product of two consecutive positive integers is (240). Which integers are they?

Explanation opens after your attempt
Correct Answer

B. (15) और (16)(15) and (16)

Step 1

Concept

Let the integers be (x) and (x+1). From (x(x+1)=240), we get (x=15).

Step 2

Why this answer is correct

The correct answer is B. (15) और (16) / (15) and (16). Let the integers be (x) and (x+1). From (x(x+1)=240), we get (x=15).

Step 3

Exam Tip

मान लें पूर्णांक (x) और (x+1) हैं। (x(x+1)=240) से (x=15) मिलता है।

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तीन लगातार धनात्मक पूर्णांकों में पहले और तीसरे का गुणनफल (195) है। बीच वाला पूर्णांक क्या है?

In three consecutive positive integers, the product of the first and the third is (195). What is the middle integer?

Explanation opens after your attempt
Correct Answer

A. (14)

Step 1

Concept

If the middle integer is (x), the first and third are (x-1) and (x+1). From ((x-1)(x+1)=195), (x=14).

Step 2

Why this answer is correct

The correct answer is A. (14). If the middle integer is (x), the first and third are (x-1) and (x+1). From ((x-1)(x+1)=195), (x=14).

Step 3

Exam Tip

यदि बीच वाला पूर्णांक (x) है, तो पहले और तीसरे (x-1) तथा (x+1) होंगे। ((x-1)(x+1)=195) से (x=14)।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (306) है। बड़ा पूर्णांक क्या है?

The product of two consecutive positive integers is (306). What is the larger integer?

Explanation opens after your attempt
Correct Answer

A. (18)

Step 1

Concept

If the smaller integer is (x), then (x(x+1)=306). When (x=17), the larger integer is (18).

Step 2

Why this answer is correct

The correct answer is A. (18). If the smaller integer is (x), then (x(x+1)=306). When (x=17), the larger integer is (18).

Step 3

Exam Tip

यदि छोटा पूर्णांक (x) है, तो (x(x+1)=306)। (x=17) होने पर बड़ा पूर्णांक (18) है।

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तीन लगातार धनात्मक पूर्णांकों में पहले और तीसरे का गुणनफल (143) है। बीच वाला पूर्णांक क्या है?

In three consecutive positive integers, the product of the first and the third is (143). What is the middle integer?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

If the middle integer is (x), the first and third are (x-1) and (x+1). From ((x-1)(x+1)=143), (x=12).

Step 2

Why this answer is correct

The correct answer is A. (12). If the middle integer is (x), the first and third are (x-1) and (x+1). From ((x-1)(x+1)=143), (x=12).

Step 3

Exam Tip

यदि बीच वाला पूर्णांक (x) है, तो पहले और तीसरे (x-1) तथा (x+1) होंगे। ((x-1)(x+1)=143) से (x=12)।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (156) है। बड़ा पूर्णांक क्या है?

The product of two consecutive positive integers is (156). What is the larger integer?

Explanation opens after your attempt
Correct Answer

A. (13)

Step 1

Concept

If the smaller integer is (x), then (x(x+1)=156). When (x=12), the larger integer is (13).

Step 2

Why this answer is correct

The correct answer is A. (13). If the smaller integer is (x), then (x(x+1)=156). When (x=12), the larger integer is (13).

Step 3

Exam Tip

यदि छोटा पूर्णांक (x) है, तो (x(x+1)=156)। (x=12) मिलने पर बड़ा पूर्णांक (13) है।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (380) है। बड़ा पूर्णांक क्या है?

The product of two consecutive positive integers is (380). What is the larger integer?

Explanation opens after your attempt
Correct Answer

C. (20)

Step 1

Concept

The numbers are (x) and (x+1). From (x(x+1)=380), (x=19), so the larger integer is (20).

Step 2

Why this answer is correct

The correct answer is C. (20). The numbers are (x) and (x+1). From (x(x+1)=380), (x=19), so the larger integer is (20).

Step 3

Exam Tip

संख्याएँ (x) और (x+1) होंगी। (x(x+1)=380) से (x=19), इसलिए बड़ा पूर्णांक (20) है।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (306) है। छोटा पूर्णांक क्या है?

The product of two consecutive positive integers is (306). What is the smaller integer?

Explanation opens after your attempt
Correct Answer

B. (17)

Step 1

Concept

If the smaller integer is (x), then (x(x+1)=306), giving (x=17). Write consecutive integers as (x) and (x+1).

Step 2

Why this answer is correct

The correct answer is B. (17). If the smaller integer is (x), then (x(x+1)=306), giving (x=17). Write consecutive integers as (x) and (x+1).

Step 3

Exam Tip

छोटा पूर्णांक (x) हो तो (x(x+1)=306), जिससे (x=17) मिलता है। लगातार पूर्णांकों को (x) और (x+1) लिखें।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (210) है। बड़ा पूर्णांक क्या है?

The product of two consecutive positive integers is (210). What is the larger integer?

Explanation opens after your attempt
Correct Answer

C. (15)

Step 1

Concept

Let the numbers be (x) and (x+1), then (x(x+1)=210) gives (x=14). So the larger integer is (15).

Step 2

Why this answer is correct

The correct answer is C. (15). Let the numbers be (x) and (x+1), then (x(x+1)=210) gives (x=14). So the larger integer is (15).

Step 3

Exam Tip

संख्याएँ (x) और (x+1) मानें, तब (x(x+1)=210) से (x=14) है। इसलिए बड़ा पूर्णांक (15) है।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (182) है। छोटा पूर्णांक क्या है?

The product of two consecutive positive integers is (182). What is the smaller integer?

Explanation opens after your attempt
Correct Answer

B. (13)

Step 1

Concept

If the smaller integer is (x), then (x(x+1)=182), which gives (x=13). Writing consecutive integers as (x) and (x+1) is the correct method.

Step 2

Why this answer is correct

The correct answer is B. (13). If the smaller integer is (x), then (x(x+1)=182), which gives (x=13). Writing consecutive integers as (x) and (x+1) is the correct method.

Step 3

Exam Tip

छोटा पूर्णांक (x) हो तो (x(x+1)=182), जिससे (x=13) मिलता है। लगातार पूर्णांकों को (x) और (x+1) लिखना सही तरीका है।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (132) है। बड़ा पूर्णांक क्या है?

The product of two consecutive positive integers is (132). What is the larger integer?

Explanation opens after your attempt
Correct Answer

C. (12)

Step 1

Concept

Let the numbers be (x) and (x+1), then (x(x+1)=132) gives (x=11). So the larger integer is (12).

Step 2

Why this answer is correct

The correct answer is C. (12). Let the numbers be (x) and (x+1), then (x(x+1)=132) gives (x=11). So the larger integer is (12).

Step 3

Exam Tip

मान लें संख्याएँ (x) और (x+1) हैं, तब (x(x+1)=132) से (x=11) है। इसलिए बड़ा पूर्णांक (12) है।

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दो लगातार धनात्मक पूर्णांकों का गुणनफल (72) है। छोटा पूर्णांक क्या है?

The product of two consecutive positive integers is (72). What is the smaller integer?

Explanation opens after your attempt
Correct Answer

B. (8)

Step 1

Concept

Let the smaller integer be (x), then (x(x+1)=72) gives (x=8). In exams, write consecutive numbers as (x) and (x+1).

Step 2

Why this answer is correct

The correct answer is B. (8). Let the smaller integer be (x), then (x(x+1)=72) gives (x=8). In exams, write consecutive numbers as (x) and (x+1).

Step 3

Exam Tip

मान लें छोटा पूर्णांक (x) है, तब (x(x+1)=72) से (x=8) मिलता है। परीक्षा में लगातार संख्याओं को (x) और (x+1) लिखें।

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यदि (x-2-(2a+9)x+(a+4)(a+5)=0) की जड़ें लगातार रूप में हैं, तो वे कौन-सी हैं?

If the roots of (x-2-(2a+9)x+(a+4)(a+5)=0) are in consecutive form, which are they?

Explanation opens after your attempt
Correct Answer

A. (a+4) और (a+5)(a+4) and (a+5)

Step 1

Concept

The sum of roots is (2a+9) and the product is ((a+4)(a+5)). These match (a+4) and (a+5).

Step 2

Why this answer is correct

The correct answer is A. (a+4) और (a+5) / (a+4) and (a+5). The sum of roots is (2a+9) and the product is ((a+4)(a+5)). These match (a+4) and (a+5).

Step 3

Exam Tip

जड़ों का योग (2a+9) और गुणनफल ((a+4)(a+5)) है। ये (a+4) और (a+5) से मेल खाते हैं।

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यदि (x-2-(2a+7)x+(a+3)(a+4)=0) की जड़ें लगातार पूर्णांक रूप में हैं, तो वे कौन-सी हैं?

If the roots of (x-2-(2a+7)x+(a+3)(a+4)=0) are in consecutive integer form, which are they?

Explanation opens after your attempt
Correct Answer

B. (a+3) और (a+4)(a+3) and (a+4)

Step 1

Concept

The sum of roots is (2a+7) and the product is ((a+3)(a+4)). These match (a+3) and (a+4).

Step 2

Why this answer is correct

The correct answer is B. (a+3) और (a+4) / (a+3) and (a+4). The sum of roots is (2a+7) and the product is ((a+3)(a+4)). These match (a+3) and (a+4).

Step 3

Exam Tip

जड़ों का योग (2a+7) और गुणनफल ((a+3)(a+4)) है। ये (a+3) और (a+4) से मिलते हैं।

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यदि (x-2-(2a+3)x+\(a^2+3a+2\)=0) की जड़ें लगातार पूर्णांक हैं, तो वे कौन-सी हैं?

If the roots of (x-2-(2a+3)x+\(a^2+3a+2\)=0) are consecutive integers, which are they?

Explanation opens after your attempt
Correct Answer

A. (a+1) और (a+2)(a+1) and (a+2)

Step 1

Concept

The product is (a-2+3a+2=(a+1)(a+2)) and the sum is (2a+3). Hence the roots are (a+1) and (a+2).

Step 2

Why this answer is correct

The correct answer is A. (a+1) और (a+2) / (a+1) and (a+2). The product is (a-2+3a+2=(a+1)(a+2)) and the sum is (2a+3). Hence the roots are (a+1) and (a+2).

Step 3

Exam Tip

गुणनफल (a-2+3a+2=(a+1)(a+2)) है और योग (2a+3) है। इसलिए जड़ें (a+1) और (a+2) हैं।

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दो क्रमागत धनात्मक पूर्णांकों के वर्गों का योग (145) है। यदि छोटा पूर्णांक (x) है, तो समीकरण कौन-सा है?

The sum of squares of two consecutive positive integers is (145). If the smaller integer is (x), which equation is correct?

Explanation opens after your attempt
Correct Answer

A. \(2x^2+2x-144=0\)

Step 1

Concept

The integers are (x) and (x+1), so (x-2+(x+1)2=145). Simplifying gives \(2x^2+2x-144=0\).

Step 2

Why this answer is correct

The correct answer is A. \(2x^2+2x-144=0\). The integers are (x) and (x+1), so (x-2+(x+1)2=145). Simplifying gives \(2x^2+2x-144=0\).

Step 3

Exam Tip

पूर्णांक (x) और (x+1) होंगे, इसलिए (x-2+(x+1)2=145)। सरल करने पर \(2x^2+2x-144=0\) मिलता है।

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दो क्रमागत पूर्णांकों के वर्गों का योग (85) है। यदि छोटा पूर्णांक (x) है, तो समीकरण कौन-सा है?

The sum of squares of two consecutive integers is (85). If the smaller integer is (x), which equation is correct?

Explanation opens after your attempt
Correct Answer

A. \(2x^2+2x-84=0\)

Step 1

Concept

The integers are (x) and (x+1), so (x-2+(x+1)2=85). Simplifying gives \(2x^2+2x-84=0\).

Step 2

Why this answer is correct

The correct answer is A. \(2x^2+2x-84=0\). The integers are (x) and (x+1), so (x-2+(x+1)2=85). Simplifying gives \(2x^2+2x-84=0\).

Step 3

Exam Tip

पूर्णांक (x) और (x+1) होंगे, इसलिए (x-2+(x+1)2=85)। सरल करने पर \(2x^2+2x-84=0\) मिलता है।

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दो क्रमागत धनात्मक पूर्णांकों का गुणनफल (56) है। सही द्विघात समीकरण कौन-सा है?

The product of two consecutive positive integers is (56). Which quadratic equation is correct?

Explanation opens after your attempt
Correct Answer

A. \(x^2+x-56=0\)

Step 1

Concept

The numbers are (x) and (x+1), so (x(x+1)=56). This gives \(x^2+x-56=0\).

Step 2

Why this answer is correct

The correct answer is A. \(x^2+x-56=0\). The numbers are (x) and (x+1), so (x(x+1)=56). This gives \(x^2+x-56=0\).

Step 3

Exam Tip

संख्याएँ (x) और (x+1) होंगी, इसलिए (x(x+1)=56)। इससे \(x^2+x-56=0\) मिलता है।

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दो लगातार धन सम संख्याओं का गुणनफल (48) है। यदि छोटी संख्या (x) है तो समीकरण क्या होगा?

The product of two consecutive positive even numbers is (48). If the smaller number is (x), what is the equation?

Explanation opens after your attempt
Correct Answer

A. (x(x+2)=48)

Step 1

Concept

The next consecutive even number is (x+2). So the product equation is (x(x+2)=48).

Step 2

Why this answer is correct

The correct answer is A. (x(x+2)=48). The next consecutive even number is (x+2). So the product equation is (x(x+2)=48).

Step 3

Exam Tip

लगातार सम संख्या (x+2) होगी। इसलिए गुणनफल का समीकरण (x(x+2)=48) है।

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दो लगातार धन पूर्णांकों का गुणनफल (30) है। यदि छोटा पूर्णांक (x) है तो समीकरण क्या होगा?

The product of two consecutive positive integers is (30). If the smaller integer is (x), what is the equation?

Explanation opens after your attempt
Correct Answer

A. (x(x+1)=30)

Step 1

Concept

The next consecutive integer is (x+1). Since the product is (30), the equation is (x(x+1)=30).

Step 2

Why this answer is correct

The correct answer is A. (x(x+1)=30). The next consecutive integer is (x+1). Since the product is (30), the equation is (x(x+1)=30).

Step 3

Exam Tip

लगातार अगला पूर्णांक (x+1) होगा। गुणनफल (30) है इसलिए (x(x+1)=30) बनेगा।

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बारह लगातार पूर्णांकों में से कम से कम एक संख्या 12 से विभाज्य क्यों होती है?

Why is at least one number among twelve consecutive integers divisible by 12?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 12 से भाग देने पर शेषफल 0 से 11 तक चक्र में आते हैंBecause division by 12 gives remainders from 0 to 11 in a cycle

Step 1

Concept

On division by 12, possible remainders are from 0 to 11.

Step 2

Why this answer is correct

Twelve consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 12. चरण 1: 12 से भाग देने पर संभावित शेषफल 0 से 11 तक हैं। चरण 2: बारह लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 12 से विभाज्य होगी।

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ग्यारह लगातार पूर्णांकों में से कम से कम एक संख्या 11 से विभाज्य क्यों होती है?

Why is at least one number among eleven consecutive integers divisible by 11?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 11 से भाग देने पर शेषफल 0 से 10 तक चक्र में आते हैंBecause division by 11 gives remainders from 0 to 10 in a cycle

Step 1

Concept

On division by 11, possible remainders are from 0 to 10.

Step 2

Why this answer is correct

Eleven consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 11. चरण 1: 11 से भाग देने पर संभावित शेषफल 0 से 10 तक होते हैं। चरण 2: ग्यारह लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 11 से विभाज्य होगी।

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दस लगातार पूर्णांकों में से कम से कम एक संख्या 10 से विभाज्य क्यों होती है?

Why is at least one number among ten consecutive integers divisible by 10?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 10 से भाग देने पर शेषफल 0 से 9 तक चक्र में आते हैंBecause division by 10 gives remainders from 0 to 9 in a cycle

Step 1

Concept

On division by 10, possible remainders are from 0 to 9.

Step 2

Why this answer is correct

Ten consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 10. चरण 1: 10 से भाग देने पर संभावित शेषफल 0 से 9 तक हैं। चरण 2: दस लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 10 से विभाज्य होगी।

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नौ लगातार पूर्णांकों में से कम से कम एक संख्या 9 से विभाज्य क्यों होती है?

Why is at least one number among nine consecutive integers divisible by 9?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 9 से भाग देने पर शेषफल 0 से 8 तक चक्र में आते हैंBecause division by 9 gives remainders from 0 to 8 in a cycle

Step 1

Concept

On division by 9, possible remainders are from 0 to 8.

Step 2

Why this answer is correct

Nine consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 9. चरण 1: 9 से भाग देने पर संभावित शेषफल 0 से 8 तक हैं। चरण 2: नौ लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 9 से विभाज्य होगी।

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आठ लगातार पूर्णांकों में से कम से कम एक संख्या 8 से विभाज्य क्यों होती है?

Why is at least one number among eight consecutive integers divisible by 8?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 8 से भाग देने पर शेषफल 0 से 7 तक चक्र में आते हैंBecause division by 8 gives remainders from 0 to 7 in a cycle

Step 1

Concept

On division by 8, possible remainders are from 0 to 7.

Step 2

Why this answer is correct

Eight consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 8. चरण 1: 8 से भाग देने पर संभावित शेषफल 0 से 7 तक होते हैं। चरण 2: आठ लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वह 8 से विभाज्य होती है।

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सात लगातार पूर्णांकों में से कम से कम एक संख्या 7 से विभाज्य क्यों होती है?

Why is at least one number among seven consecutive integers divisible by 7?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 7 से भाग देने पर शेषफल 0 से 6 तक चक्र में आते हैंBecause division by 7 gives remainders from 0 to 6 in a cycle

Step 1

Concept

The possible remainders on division by 7 are 0, 1, 2, 3, 4, 5, and 6.

Step 2

Why this answer is correct

Seven consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 7. चरण 1: 7 से भाग देने पर संभावित शेषफल 0, 1, 2, 3, 4, 5, 6 हैं। चरण 2: सात लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 7 से विभाज्य होगी।

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छह लगातार पूर्णांकों में से कम से कम एक संख्या 6 से विभाज्य क्यों होती है?

Why is at least one number among six consecutive integers divisible by 6?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 6 से भाग देने पर शेषफल 0, 1, 2, 3, 4, 5 का चक्र आता हैBecause division by 6 gives the cycle of remainders 0, 1, 2, 3, 4, 5

Step 1

Concept

On division by 6, possible remainders are from 0 to 5.

Step 2

Why this answer is correct

Six consecutive integers cover all these remainders once.

Step 3

Exam Tip

The number with remainder 0 is divisible by 6. चरण 1: 6 से भाग देने पर शेषफल 0 से 5 तक हो सकते हैं। चरण 2: छह लगातार पूर्णांकों में ये सभी शेषफल एक बार आते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वह 6 से विभाज्य होगी।

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पांच लगातार पूर्णांकों में से कम से कम एक संख्या 5 से विभाज्य क्यों होती है?

Why is at least one number among five consecutive integers divisible by 5?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 5 से भाग देने पर शेषफल 0, 1, 2, 3, 4 का चक्र आता हैBecause division by 5 gives the cycle of remainders 0, 1, 2, 3, 4

Step 1

Concept

Any integer divided by 5 has one of the forms (5q), (5q+1), (5q+2), (5q+3), or (5q+4).

Step 2

Why this answer is correct

Five consecutive integers cover all five remainders.

Step 3

Exam Tip

The number with remainder 0 is divisible by 5. चरण 1: कोई भी पूर्णांक 5 से भाग देने पर (5q), (5q+1), (5q+2), (5q+3), या (5q+4) रूप में होता है। चरण 2: पांच लगातार पूर्णांकों में ये पांचों शेषफल आ जाते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 5 से विभाज्य होगी।

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चार लगातार पूर्णांकों में से कम से कम एक संख्या 4 से विभाज्य क्यों होती है?

Why is at least one number among four consecutive integers divisible by 4?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 4 से भाग देने पर शेषफल 0, 1, 2, 3 का चक्र आता हैBecause division by 4 gives the cycle of remainders 0, 1, 2, 3

Step 1

Concept

Any integer divided by 4 is of the form (4q), (4q+1), (4q+2), or (4q+3).

Step 2

Why this answer is correct

Four consecutive integers cover all these four remainders.

Step 3

Exam Tip

The one with remainder 0 is divisible by 4. चरण 1: कोई भी पूर्णांक 4 से भाग देने पर (4q), (4q+1), (4q+2), या (4q+3) रूप में होता है। चरण 2: चार लगातार पूर्णांकों में ये चारों शेषफल आ जाते हैं। चरण 3: जिस संख्या का शेषफल 0 है, वही 4 से विभाज्य होगी।

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तीन लगातार पूर्णांकों का गुणनफल 6 से विभाज्य क्यों होता है?

Why is the product of three consecutive integers divisible by 6?

Explanation opens after your attempt
Correct Answer

A. क्योंकि उनमें एक 2 से और एक 3 से विभाज्य होता हैBecause one of them is divisible by 2 and one is divisible by 3

Step 1

Concept

Among two consecutive integers, one is even, so a factor 2 is present.

Step 2

Why this answer is correct

Among three consecutive integers, one is divisible by 3, so a factor 3 is present.

Step 3

Exam Tip

Since 2 and 3 together make 6, the product is divisible by 6. चरण 1: दो लगातार पूर्णांकों में एक सम होता है, इसलिए 2 का गुणनखंड मिलता है। चरण 2: तीन लगातार पूर्णांकों में एक 3 से विभाज्य होता है, इसलिए 3 का गुणनखंड मिलता है। चरण 3: 2 और 3 मिलकर 6 बनाते हैं, इसलिए गुणनफल 6 से विभाज्य है।

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तीन लगातार पूर्णांकों में से किसी एक का रूप (3q) क्यों माना जा सकता है?

Why can one of three consecutive integers be taken as of the form (3q)?

Explanation opens after your attempt
Correct Answer

A. क्योंकि 3 से भाग देने पर शेषफल 0, 1, 2 में से एक होता हैBecause division by 3 gives one of the remainders 0, 1, 2

Step 1

Concept

On division by 3, every integer is of the form (3q), (3q+1), or (3q+2).

Step 2

Why this answer is correct

Three consecutive integers cover these three remainders, so one is exactly divisible by 3.

Step 3

Exam Tip

Use the cycle of remainders for consecutive-number problems. चरण 1: 3 से भाग देने पर हर संख्या (3q), (3q+1), या (3q+2) रूप में होगी। चरण 2: तीन लगातार संख्याओं में ये तीनों शेषफल आते हैं, इसलिए एक संख्या 3 से पूर्णतः विभाजित होगी। चरण 3: लगातार संख्याओं में शेषफल चक्र का उपयोग करें।

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यदि (3,x,11,y,19) एक समांतर श्रेणी के लगातार पांच पद हैं, तो (x,y) और सामान्य अंतर क्या हैं?

If (3,x,11,y,19) are five consecutive terms of an AP, what are (x,y) and the common difference?

Explanation opens after your attempt
Correct Answer

B. (x=7,y=15,d=4)

Step 1

Concept

There are (4) equal gaps between the first and fifth terms, so \(d=\frac{19-3}{4}=4\). In exams, divide the total difference between distant terms by the number of gaps.

Step 2

Why this answer is correct

The correct answer is B. (x=7,y=15,d=4). There are (4) equal gaps between the first and fifth terms, so \(d=\frac{19-3}{4}=4\). In exams, divide the total difference between distant terms by the number of gaps.

Step 3

Exam Tip

पहले और पांचवें पद के बीच (4) बराबर अंतराल हैं, इसलिए \(d=\frac{19-3}{4}=4\)। परीक्षा में दूर दिए गए पदों के बीच कुल अंतर को अंतरालों की संख्या से भाग दें।

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संख्याएं (14,m,50) समांतर श्रेणी के लगातार पद हैं। (m) और (d) क्या हैं?

The numbers (14,m,50) are consecutive terms of an AP. What are (m) and (d)?

Explanation opens after your attempt
Correct Answer

B. (m=32,d=18)

Step 1

Concept

The middle term is \(m=\frac{14+50}{2}=32\), and (d=18). In exams, the middle term of three AP terms is the average.

Step 2

Why this answer is correct

The correct answer is B. (m=32,d=18). The middle term is \(m=\frac{14+50}{2}=32\), and (d=18). In exams, the middle term of three AP terms is the average.

Step 3

Exam Tip

मध्य पद \(m=\frac{14+50}{2}=32\) है और (d=18)। परीक्षा में तीन पदों में मध्य पद औसत होता है।

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किस (k) के लिए (k,2k+1,5k-2,8k-5) समांतर श्रेणी के लगातार चार पद हैं?

For which (k) are (k,2k+1,5k-2,8k-5) four consecutive terms of an AP?

Explanation opens after your attempt
Correct Answer

B. (k=2)

Step 1

Concept

The differences are (k+1,3k-3,3k-3), and equality gives (k=2). In exams, check all consecutive differences for four terms.

Step 2

Why this answer is correct

The correct answer is B. (k=2). The differences are (k+1,3k-3,3k-3), and equality gives (k=2). In exams, check all consecutive differences for four terms.

Step 3

Exam Tip

अंतर (k+1,3k-3,3k-3) हैं और बराबरी से (k=2) मिलता है। परीक्षा में चार पदों में सभी लगातार अंतर जांचें।

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यदि (p,q,r,s) समांतर श्रेणी के लगातार चार पद हैं, तो कौन सा संबंध हमेशा सही है?

If (p,q,r,s) are four consecutive terms of an AP, which relation is always true?

Explanation opens after your attempt
Correct Answer

D. (p+s=q+r)

Step 1

Concept

Writing the terms as (p,p+d,p+2d,p+3d) gives (p+s=q+r). In exams, verify four-term relations symbolically.

Step 2

Why this answer is correct

The correct answer is D. (p+s=q+r). Writing the terms as (p,p+d,p+2d,p+3d) gives (p+s=q+r). In exams, verify four-term relations symbolically.

Step 3

Exam Tip

पद (p,p+d,p+2d,p+3d) रखने पर (p+s=q+r) मिलता है। परीक्षा में चार पदों के संबंध प्रतीकात्मक रूप से जांचें।

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यदि (x+1,2x+6,5x-2) समांतर श्रेणी के लगातार पद हैं, तो (x) और (d) क्या हैं?

If (x+1,2x+6,5x-2) are consecutive terms of an AP, what are (x) and (d)?

Explanation opens after your attempt
Correct Answer

A. \(x=\frac{13}{2},d=\frac{23}{2}\)

Step 1

Concept

Equating differences gives (x+5=3x-8), so \(x=\frac{13}{2}\) and \(d=\frac{23}{2}\). In exams, do not reject a fractional answer too quickly.

Step 2

Why this answer is correct

The correct answer is A. \(x=\frac{13}{2},d=\frac{23}{2}\). Equating differences gives (x+5=3x-8), so \(x=\frac{13}{2}\) and \(d=\frac{23}{2}\). In exams, do not reject a fractional answer too quickly.

Step 3

Exam Tip

अंतर बराबर करने पर (x+5=3x-8), इसलिए \(x=\frac{13}{2}\) और \(d=\frac{23}{2}\)। परीक्षा में भिन्न उत्तर से घबराएं नहीं।

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समांतर श्रेणी के लगातार पद (-17,z,23) हैं। (z) और सामान्य अंतर क्या हैं?

The consecutive AP terms are (-17,z,23). What are (z) and the common difference?

Explanation opens after your attempt
Correct Answer

D. (z=3,d=20)

Step 1

Concept

The middle term is the average of the extremes, so \(z=\frac{-17+23}{2}=3\) and (d=20). In exams, handle signs carefully when averaging negatives.

Step 2

Why this answer is correct

The correct answer is D. (z=3,d=20). The middle term is the average of the extremes, so \(z=\frac{-17+23}{2}=3\) and (d=20). In exams, handle signs carefully when averaging negatives.

Step 3

Exam Tip

मध्य पद सिरों का औसत है, इसलिए \(z=\frac{-17+23}{2}=3\) और (d=20)। परीक्षा में ऋणात्मक संख्या जोड़ते समय चिन्ह सावधानी से रखें।

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यदि (4t+1,t+10,-t+21) समांतर श्रेणी के लगातार पद हैं, तो (t) और (d) क्या हैं?

If (4t+1,t+10,-t+21) are consecutive terms of an AP, what are (t) and (d)?

Explanation opens after your attempt
Correct Answer

C. (t=-2,d=15)

Step 1

Concept

Equal differences give (-3t+9=-2t+11), so (t=-2) and (d=15). In exams, subtract first from second and second from third.

Step 2

Why this answer is correct

The correct answer is C. (t=-2,d=15). Equal differences give (-3t+9=-2t+11), so (t=-2) and (d=15). In exams, subtract first from second and second from third.

Step 3

Exam Tip

बराबर अंतर से (-3t+9=-2t+11), इसलिए (t=-2) और (d=15)। परीक्षा में दूसरे से पहला और तीसरे से दूसरा पद घटाएं।

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क्या (3q+2,q-4,-q+10) किसी (q) पर समांतर श्रेणी के लगातार पद बन सकते हैं?

Can (3q+2,q-4,-q+10) be consecutive terms of an AP for some (q)?

Explanation opens after your attempt
Correct Answer

D. नहीं, कोई (q) नहींNo, no (q)

Step 1

Concept

Equating differences gives (-2q-6=-2q+14), which is impossible. In exams, cancellation of the variable can produce a contradiction.

Step 2

Why this answer is correct

The correct answer is D. नहीं, कोई (q) नहीं / No, no (q). Equating differences gives (-2q-6=-2q+14), which is impossible. In exams, cancellation of the variable can produce a contradiction.

Step 3

Exam Tip

अंतर बराबर करने पर (-2q-6=-2q+14) मिलता है, जो असंभव है। परीक्षा में कभी-कभी चर कटने पर विरोधाभास मिलता है।

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समांतर श्रेणी के लगातार पद (-11,y,5) हैं। (y) और सामान्य अंतर क्या हैं?

The consecutive AP terms are (-11,y,5). What are (y) and the common difference?

Explanation opens after your attempt
Correct Answer

B. (y=-3,d=8)

Step 1

Concept

The middle term is \(y=\frac{-11+5}{2}=-3\), and (d=8). In exams, be careful while averaging negative numbers.

Step 2

Why this answer is correct

The correct answer is B. (y=-3,d=8). The middle term is \(y=\frac{-11+5}{2}=-3\), and (d=8). In exams, be careful while averaging negative numbers.

Step 3

Exam Tip

मध्य पद \(y=\frac{-11+5}{2}=-3\) है और (d=8)। परीक्षा में ऋणात्मक संख्याओं के औसत में सावधानी रखें।

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यदि (a,b,c,e) समांतर श्रेणी के लगातार चार पद हैं, तो कौन सा संबंध हमेशा सही है?

If (a,b,c,e) are four consecutive terms of an AP, which relation is always true?

Explanation opens after your attempt
Correct Answer

A. (a+e=b+c)

Step 1

Concept

Taking the terms as (a,a+d,a+2d,a+3d), both sides become (2a+3d). In exams, test relations by writing symbolic AP terms.

Step 2

Why this answer is correct

The correct answer is A. (a+e=b+c). Taking the terms as (a,a+d,a+2d,a+3d), both sides become (2a+3d). In exams, test relations by writing symbolic AP terms.

Step 3

Exam Tip

पद (a,a+d,a+2d,a+3d) मानने पर दोनों ओर (2a+3d) मिलता है। परीक्षा में प्रतीकात्मक पद रखकर संबंध जांचें।

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यदि (x-2,2x+1,4x-3) समांतर श्रेणी के लगातार पद हैं, तो (x) और (d) क्या हैं?

If (x-2,2x+1,4x-3) are consecutive terms of an AP, what are (x) and (d)?

Explanation opens after your attempt
Correct Answer

C. (x=7,d=10)

Step 1

Concept

Equal differences give (x+3=2x-4), so (x=7) and (d=10). In exams, write the two differences separately first.

Step 2

Why this answer is correct

The correct answer is C. (x=7,d=10). Equal differences give (x+3=2x-4), so (x=7) and (d=10). In exams, write the two differences separately first.

Step 3

Exam Tip

बराबर अंतर से (x+3=2x-4), इसलिए (x=7) और (d=10)। परीक्षा में पहले अंतरों को अलग-अलग लिखें।

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यदि (a,b,c) किसी समांतर श्रेणी के लगातार पद हैं, तो कौन सा संबंध हमेशा सही है?

If (a,b,c) are consecutive terms of an AP, which relation is always true?

Explanation opens after your attempt
Correct Answer

B. (2b=a+c)

Step 1

Concept

In an AP, the middle term is the average of the two extremes, so (2b=a+c). In exams, this is the fastest check for three terms.

Step 2

Why this answer is correct

The correct answer is B. (2b=a+c). In an AP, the middle term is the average of the two extremes, so (2b=a+c). In exams, this is the fastest check for three terms.

Step 3

Exam Tip

समांतर श्रेणी में मध्य पद दो सिरों का औसत होता है, इसलिए (2b=a+c)। परीक्षा में तीन पदों के लिए यह सबसे तेज जांच है।

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यदि (2m-1,m+4,4m-3) समांतर श्रेणी के लगातार पद हैं, तो (m) और (d) क्या हैं?

If (2m-1,m+4,4m-3) are consecutive terms of an AP, what are (m) and (d)?

Explanation opens after your attempt
Correct Answer

B. (m=3,d=2)

Step 1

Concept

Equal differences give (5-m=3m-7), so (m=3) and (d=2). In exams, be careful with signs in terms containing variables.

Step 2

Why this answer is correct

The correct answer is B. (m=3,d=2). Equal differences give (5-m=3m-7), so (m=3) and (d=2). In exams, be careful with signs in terms containing variables.

Step 3

Exam Tip

बराबर अंतर से (5-m=3m-7), अतः (m=3) और (d=2)। परीक्षा में अज्ञात वाले पदों में चिन्हों पर विशेष ध्यान दें।

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तीन लगातार समांतर श्रेणी पद (7,x,31) हैं। (x) और सामान्य अंतर क्या हैं?

Three consecutive AP terms are (7,x,31). What are (x) and the common difference?

Explanation opens after your attempt
Correct Answer

B. (x=19,d=12)

Step 1

Concept

The middle term is the average of the extremes, so \(x=\frac{7+31}{2}=19\). Then (d=19-7=12).

Step 2

Why this answer is correct

The correct answer is B. (x=19,d=12). The middle term is the average of the extremes, so \(x=\frac{7+31}{2}=19\). Then (d=19-7=12).

Step 3

Exam Tip

मध्य पद सिरों का औसत होता है, इसलिए \(x=\frac{7+31}{2}=19\)। फिर (d=19-7=12)।

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यदि (p-3,2p+1,5p-7) समांतर श्रेणी के लगातार पद हैं, तो (p) और सामान्य अंतर क्या हैं?

If (p-3,2p+1,5p-7) are consecutive terms of an AP, what are (p) and the common difference?

Explanation opens after your attempt
Correct Answer

D. (p=6,d=10)

Step 1

Concept

Equating differences gives (p+4=3p-8), so (p=6) and (d=10). For three consecutive terms, set second minus first equal to third minus second.

Step 2

Why this answer is correct

The correct answer is D. (p=6,d=10). Equating differences gives (p+4=3p-8), so (p=6) and (d=10). For three consecutive terms, set second minus first equal to third minus second.

Step 3

Exam Tip

बराबर अंतर रखने पर (p+4=3p-8), इसलिए (p=6) और (d=10)। परीक्षा में तीन लगातार पदों के लिए दूसरा घटाकर पहला और तीसरा घटाकर दूसरा बराबर करें।

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यदि (4,x,2x+1,25) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (x) के बारे में सही निष्कर्ष क्या है?

If (4,x,2x+1,25) are consecutive terms of an arithmetic progression, what is the correct conclusion about (x)?

Explanation opens after your attempt
Correct Answer

D. कोई मान संभव नहींNo value is possible

Step 1

Concept

(25-4=21) is split into three equal gaps, so the second term should be (11) and the third (18). This makes (x=11) and (2x+1=18) impossible together.

Step 2

Why this answer is correct

The correct answer is D. कोई मान संभव नहीं / No value is possible. (25-4=21) is split into three equal gaps, so the second term should be (11) and the third (18). This makes (x=11) and (2x+1=18) impossible together.

Step 3

Exam Tip

(25-4=21) तीन बराबर अंतरालों में बंटेगा इसलिए दूसरा पद (11) और तीसरा (18) होना चाहिए। इससे (x=11) और (2x+1=18) साथ-साथ सत्य नहीं होते।

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यदि (-6,s,10,18) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (s) क्या होगा?

If (-6,s,10,18) are consecutive terms of an arithmetic progression, what will (s) be?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

(18-10=8), so (s=10-8=2). While moving backward, subtract the same (d).

Step 2

Why this answer is correct

The correct answer is B. (2). (18-10=8), so (s=10-8=2). While moving backward, subtract the same (d).

Step 3

Exam Tip

(18-10=8), इसलिए (s=10-8=2)। पीछे की ओर चलते समय वही (d) घटाएं।

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यदि (2,x+3,3x+1,20) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (x) क्या होगा?

If (2,x+3,3x+1,20) are consecutive terms of an arithmetic progression, what will (x) be?

Explanation opens after your attempt
Correct Answer

D. कोई मान नहींNo value

Step 1

Concept

(20-2=18) is split into three gaps, so the second term should be (8) and the third (14). This gives (x=5) and \(x=\frac{13}{3}\), so no single value is possible.

Step 2

Why this answer is correct

The correct answer is D. कोई मान नहीं / No value. (20-2=18) is split into three gaps, so the second term should be (8) and the third (14). This gives (x=5) and \(x=\frac{13}{3}\), so no single value is possible.

Step 3

Exam Tip

(20-2=18) तीन अंतरालों में बंटता है, इसलिए दूसरा पद (8) और तीसरा (14) होना चाहिए। इससे (x=5) और \(x=\frac{13}{3}\) मिलते हैं, इसलिए कोई एक मान संभव नहीं है।

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यदि (2,x,y,20) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (x+y) कितना होगा?

If (2,x,y,20) are consecutive terms of an arithmetic progression, what is (x+y)?

Explanation opens after your attempt
Correct Answer

C. (22)

Step 1

Concept

The total difference (20-2=18) is split into three equal gaps, so (d=6). Hence (x=8), (y=14), and (x+y=22).

Step 2

Why this answer is correct

The correct answer is C. (22). The total difference (20-2=18) is split into three equal gaps, so (d=6). Hence (x=8), (y=14), and (x+y=22).

Step 3

Exam Tip

कुल अंतर (20-2=18) तीन बराबर भागों में बंटेगा, इसलिए (d=6)। अतः (x=8), (y=14) और (x+y=22)।

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यदि (7,u,19,25) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (u) का मान क्या है?

If (7,u,19,25) are consecutive terms of an arithmetic progression, what is the value of (u)?

Explanation opens after your attempt
Correct Answer

C. (13)

Step 1

Concept

(25-19=6), so (u=19-6=13). While finding a missing term, apply the same difference backward too.

Step 2

Why this answer is correct

The correct answer is C. (13). (25-19=6), so (u=19-6=13). While finding a missing term, apply the same difference backward too.

Step 3

Exam Tip

(25-19=6), इसलिए (u=19-6=13)। खाली पद निकालते समय समान अंतर को पीछे की ओर भी लगाएं।

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यदि (2x+1, x+8, 3x-4) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (x) का मान क्या है?

If (2x+1, x+8, 3x-4) are consecutive terms of an arithmetic progression, what is the value of (x)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

In three consecutive terms, twice the middle term equals the sum of the other two terms. So (2(x+8)=(2x+1)+(3x-4)) gives (x=3).

Step 2

Why this answer is correct

The correct answer is B. (3). In three consecutive terms, twice the middle term equals the sum of the other two terms. So (2(x+8)=(2x+1)+(3x-4)) gives (x=3).

Step 3

Exam Tip

तीन क्रमागत पदों में (2) गुना मध्य पद बाकी दो पदों के योग के बराबर होता है। इसलिए (2(x+8)=(2x+1)+(3x-4)) से (x=3)।

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यदि (4, x+1, 2x+4, 25) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x) का मान क्या है?

If (4, x+1, 2x+4, 25) are consecutive terms of an arithmetic progression, what is the value of (x)?

Explanation opens after your attempt
Correct Answer

C. (10)

Step 1

Concept

(25-4=21) is split into three equal gaps, so (d=7), and (x+1=11) gives (x=10). In four consecutive terms, finding (d) from first and last terms is fast.

Step 2

Why this answer is correct

The correct answer is C. (10). (25-4=21) is split into three equal gaps, so (d=7), and (x+1=11) gives (x=10). In four consecutive terms, finding (d) from first and last terms is fast.

Step 3

Exam Tip

(25-4=21) तीन समान अंतरालों में बंटता है, इसलिए (d=7) और (x+1=11) से (x=10)। चार क्रमागत पदों में पहले और अंतिम पद से (d) निकालना तेज होता है।

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यदि (2, x, 3x, 26) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x) क्या है?

If (2, x, 3x, 26) are consecutive terms of an arithmetic progression, what is (x)?

Explanation opens after your attempt
Correct Answer

A. (6)

Step 1

Concept

The total difference (26-2=24) splits into three equal gaps, so (d=8) and the second term should be (10); hence (x=10), but the third (3x=30), so there is no solution.

Step 2

Why this answer is correct

The correct answer is A. (6). The total difference (26-2=24) splits into three equal gaps, so (d=8) and the second term should be (10); hence (x=10), but the third (3x=30), so there is no solution.

Step 3

Exam Tip

कुल अंतर (26-2=24) तीन समान भागों में बंटता है, इसलिए (d=8) और दूसरा पद (10) होना चाहिए; अतः (x=10), पर तीसरा (3x=30) होगा, इसलिए कोई समाधान नहीं।

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यदि (-10, s, 2, 8) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (s) क्या होगा?

If (-10, s, 2, 8) are consecutive terms of an arithmetic progression, what will (s) be?

Explanation opens after your attempt
Correct Answer

B. (-4)

Step 1

Concept

The difference from (2) to (8) is (6), so (s=2-6=-4). While moving backward, subtract the same (d).

Step 2

Why this answer is correct

The correct answer is B. (-4). The difference from (2) to (8) is (6), so (s=2-6=-4). While moving backward, subtract the same (d).

Step 3

Exam Tip

(2) से (8) तक अंतर (6) है, इसलिए (s=2-6=-4)। पीछे की ओर चलते समय वही (d) घटाएं।

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यदि (5, x, y, 29) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x+y) कितना होगा?

If (5, x, y, 29) are consecutive terms of an arithmetic progression, what is (x+y)?

Explanation opens after your attempt
Correct Answer

D. (34)

Step 1

Concept

The total difference (29-5=24) is split into three equal gaps, so (d=8), (x=13), and (y=21). For two missing terms, divide the total difference into equal gaps.

Step 2

Why this answer is correct

The correct answer is D. (34). The total difference (29-5=24) is split into three equal gaps, so (d=8), (x=13), and (y=21). For two missing terms, divide the total difference into equal gaps.

Step 3

Exam Tip

कुल अंतर (29-5=24) तीन बराबर भागों में बंटता है, इसलिए (d=8), (x=13), (y=21)। दो खाली पदों में कुल अंतर को बराबर अंतरालों में बांटें।

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यदि (3x-2, 2x+5, x+16) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x) का मान क्या है?

If (3x-2, 2x+5, x+16) are consecutive terms of an arithmetic progression, what is the value of (x)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

In three consecutive terms, twice the middle term equals the sum of the other two, so (2(2x+5)=(3x-2)+(x+16)) gives (x=2). The middle-term rule is a fast exam method.

Step 2

Why this answer is correct

The correct answer is B. (2). In three consecutive terms, twice the middle term equals the sum of the other two, so (2(2x+5)=(3x-2)+(x+16)) gives (x=2). The middle-term rule is a fast exam method.

Step 3

Exam Tip

तीन क्रमागत पदों में मध्य पद का दुगुना बाकी दो पदों के योग के बराबर होता है, इसलिए (2(2x+5)=(3x-2)+(x+16)) से (x=2)। परीक्षा में मध्य पद नियम तेज तरीका है।

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किस क्रम का सामान्य अंतर ऋणात्मक है और सभी लगातार अंतर बराबर हैं?

Which sequence has a negative common difference and all consecutive differences equal?

Explanation opens after your attempt
Correct Answer

B. (20, 16, 12, 8)

Step 1

Concept

In (20,16,12,8), (4) is subtracted each time, so (d=-4). Do not just see decreasing order; check equal differences too.

Step 2

Why this answer is correct

The correct answer is B. (20, 16, 12, 8). In (20,16,12,8), (4) is subtracted each time, so (d=-4). Do not just see decreasing order; check equal differences too.

Step 3

Exam Tip

(20,16,12,8) में हर बार (4) घटता है, इसलिए (d=-4). केवल घटते क्रम को देखकर नहीं, बराबर अंतर भी जांचें।

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यदि (-4, s, 8, 14) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (s) क्या होगा?

If (-4, s, 8, 14) are consecutive terms of an arithmetic progression, what will (s) be?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The difference from (8) to (14) is (6), so (s=8-6=2). While moving backward, subtract the same (d).

Step 2

Why this answer is correct

The correct answer is B. (2). The difference from (8) to (14) is (6), so (s=8-6=2). While moving backward, subtract the same (d).

Step 3

Exam Tip

(8) से (14) तक अंतर (6) है, इसलिए (s=8-6=2)। पीछे की ओर चलते समय भी वही (d) घटाएं।

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यदि (2, x+1, 3x-1, 14) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x) का मान क्या है?

If (2, x+1, 3x-1, 14) are consecutive terms of an arithmetic progression, what is (x)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

The total difference (14-2=12) is split into three equal gaps, so (d=4), and the second term should be (6), hence (x=5). Splitting the total difference into equal parts is useful.

Step 2

Why this answer is correct

The correct answer is B. (4). The total difference (14-2=12) is split into three equal gaps, so (d=4), and the second term should be (6), hence (x=5). Splitting the total difference into equal parts is useful.

Step 3

Exam Tip

कुल अंतर (14-2=12) तीन बराबर भागों में बंटेगा, इसलिए (d=4) और (x+1=6) नहीं बल्कि दूसरा पद (6) होना चाहिए, अतः (x=5)। कुल अंतर को समान भागों में बांटना उपयोगी है।

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यदि (3, x, y, 24) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x+y) का मान क्या है?

If (3, x, y, 24) are consecutive terms of an arithmetic progression, what is the value of (x+y)?

Explanation opens after your attempt
Correct Answer

C. (27)

Step 1

Concept

There are three equal gaps, so \(d=\frac{24-3}{3}=7\), hence (x=10) and (y=17). For two missing terms, split the total difference into equal gaps.

Step 2

Why this answer is correct

The correct answer is C. (27). There are three equal gaps, so \(d=\frac{24-3}{3}=7\), hence (x=10) and (y=17). For two missing terms, split the total difference into equal gaps.

Step 3

Exam Tip

तीन समान अंतर हैं, इसलिए \(d=\frac{24-3}{3}=7\), अतः (x=10) और (y=17)। दो खाली पद हों तो कुल अंतर को बराबर भागों में बांटें।

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यदि (4, y, 16, 22) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (y) का मान क्या होगा?

If (4, y, 16, 22) are consecutive terms of an arithmetic progression, what will be the value of (y)?

Explanation opens after your attempt
Correct Answer

B. (10)

Step 1

Concept

The difference from (16) to (22) is (6), so (y=16-6=10). Use the same difference both forward and backward for missing terms.

Step 2

Why this answer is correct

The correct answer is B. (10). The difference from (16) to (22) is (6), so (y=16-6=10). Use the same difference both forward and backward for missing terms.

Step 3

Exam Tip

(16) से (22) का अंतर (6) है, इसलिए (y=16-6=10)। खाली पद निकालने में समान अंतर को आगे और पीछे दोनों तरफ लगाएं।

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यदि (2x-3, x+4, 3x-1) अंकगणितीय श्रेणी के क्रमागत पद हैं, तो (x) का मान क्या है?

If (2x-3, x+4, 3x-1) are consecutive terms of an arithmetic progression, what is the value of (x)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

Twice the middle term equals the sum of the other two terms, so (2(x+4)=(2x-3)+(3x-1)) gives (x=3). For three consecutive terms, the middle-term rule is fast.

Step 2

Why this answer is correct

The correct answer is B. (3). Twice the middle term equals the sum of the other two terms, so (2(x+4)=(2x-3)+(3x-1)) gives (x=3). For three consecutive terms, the middle-term rule is fast.

Step 3

Exam Tip

मध्य पद का दुगुना बाकी दोनों पदों के योग के बराबर होता है, इसलिए (2(x+4)=(2x-3)+(3x-1)) से (x=3)। तीन क्रमागत पदों में मध्य पद का नियम तेज होता है।

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यदि (5,x,y,20) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (x) और (y) के मान क्या होंगे?

If (5,x,y,20) are consecutive terms of an arithmetic progression, what will be the values of (x) and (y)?

Explanation opens after your attempt
Correct Answer

B. (x=10,y=15)

Step 1

Concept

There are three equal gaps from (5) to (20), so \(d=\frac{20-5}{3}=5\), hence (x=10) and (y=15). Find missing terms by splitting the total difference into equal gaps.

Step 2

Why this answer is correct

The correct answer is B. (x=10,y=15). There are three equal gaps from (5) to (20), so \(d=\frac{20-5}{3}=5\), hence (x=10) and (y=15). Find missing terms by splitting the total difference into equal gaps.

Step 3

Exam Tip

(5) से (20) तक तीन समान अंतर हैं इसलिए \(d=\frac{20-5}{3}=5\), अतः (x=10) और (y=15)। दो पदों के बीच समान अंतर बांटकर खाली पद निकालें।

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यदि (13,b,31) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (b) का मान क्या है?

If (13,b,31) are consecutive terms of an arithmetic progression, what is the value of (b)?

Explanation opens after your attempt
Correct Answer

C. (22)

Step 1

Concept

The middle term is \(b=\frac{13+31}{2}=22\). In three consecutive terms the middle term is the average.

Step 2

Why this answer is correct

The correct answer is C. (22). The middle term is \(b=\frac{13+31}{2}=22\). In three consecutive terms the middle term is the average.

Step 3

Exam Tip

मध्य पद \(b=\frac{13+31}{2}=22\) है। तीन क्रमागत पदों में बीच वाला पद औसत होता है।

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यदि (8,m,20) किसी अंकगणितीय श्रेणी के क्रमागत तीन पद हैं तो (m) क्या है?

If (8,m,20) are three consecutive terms of an arithmetic progression, what is (m)?

Explanation opens after your attempt
Correct Answer

C. (14)

Step 1

Concept

The middle term is \(m=\frac{8+20}{2}=14\). In three consecutive terms the middle term is the average.

Step 2

Why this answer is correct

The correct answer is C. (14). The middle term is \(m=\frac{8+20}{2}=14\). In three consecutive terms the middle term is the average.

Step 3

Exam Tip

मध्य पद \(m=\frac{8+20}{2}=14\) है। तीन क्रमागत पदों में बीच वाला पद औसत होता है।

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किस अनुक्रम में पहले तीन लगातार अंतर (4,4,4) मिलते हैं?

In which sequence are the first three consecutive differences (4,4,4)?

Explanation opens after your attempt
Correct Answer

A. \(2,6,10,14,\ldots\)

Step 1

Concept

In \(2,6,10,14,\ldots\), the differences are (4,4,4). Equal differences identify an arithmetic progression.

Step 2

Why this answer is correct

The correct answer is A. \(2,6,10,14,\ldots\). In \(2,6,10,14,\ldots\), the differences are (4,4,4). Equal differences identify an arithmetic progression.

Step 3

Exam Tip

\(2,6,10,14,\ldots\) में अंतर (4,4,4) हैं। समान अंतर समांतर श्रेढ़ी की पहचान है।

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किस अनुक्रम में लगातार अंतर बराबर नहीं हैं?

In which sequence are the consecutive differences not equal?

Explanation opens after your attempt
Correct Answer

D. \(2,3,5,8,\ldots\)

Step 1

Concept

In \(2,3,5,8,\ldots\), the differences are (1,2,3). Hence the consecutive differences are not equal.

Step 2

Why this answer is correct

The correct answer is D. \(2,3,5,8,\ldots\). In \(2,3,5,8,\ldots\), the differences are (1,2,3). Hence the consecutive differences are not equal.

Step 3

Exam Tip

\(2,3,5,8,\ldots\) में अंतर (1,2,3) हैं। इसलिए लगातार अंतर बराबर नहीं हैं।

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यदि किसी अनुक्रम के लगातार अंतर (2,4,6) हैं, तो सही निष्कर्ष क्या है?

If the consecutive differences of a sequence are (2,4,6), what is the correct conclusion?

Explanation opens after your attempt
Correct Answer

B. यह समांतर श्रेढ़ी नहीं हैIt is not an arithmetic progression

Step 1

Concept

The differences are not equal, so the common difference is not constant. Hence it is not an arithmetic progression.

Step 2

Why this answer is correct

The correct answer is B. यह समांतर श्रेढ़ी नहीं है / It is not an arithmetic progression. The differences are not equal, so the common difference is not constant. Hence it is not an arithmetic progression.

Step 3

Exam Tip

अंतर समान नहीं हैं इसलिए सार्व अंतर स्थिर नहीं है। अतः यह समांतर श्रेढ़ी नहीं है।

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यदि (9,b,21) अंकगणितीय श्रेणी के क्रमागत पद हैं तो (b) का मान क्या है?

If (9,b,21) are consecutive terms of an arithmetic progression, what is the value of (b)?

Explanation opens after your attempt
Correct Answer

C. (15)

Step 1

Concept

The middle term is \(b=\frac{9+21}{2}=15\). In three consecutive terms the middle term is the average.

Step 2

Why this answer is correct

The correct answer is C. (15). The middle term is \(b=\frac{9+21}{2}=15\). In three consecutive terms the middle term is the average.

Step 3

Exam Tip

मध्य पद \(b=\frac{9+21}{2}=15\) है। तीन क्रमागत पदों में बीच वाला पद औसत होता है।

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यदि (3,m,11) किसी अंकगणितीय श्रेणी के क्रमागत तीन पद हैं तो (m) क्या है?

If (3,m,11) are three consecutive terms of an arithmetic progression, what is (m)?

Explanation opens after your attempt
Correct Answer

A. (7)

Step 1

Concept

The middle term is the average of (3) and (11), so \(m=\frac{3+11}{2}=7\). In three consecutive terms the middle term is the average.

Step 2

Why this answer is correct

The correct answer is A. (7). The middle term is the average of (3) and (11), so \(m=\frac{3+11}{2}=7\). In three consecutive terms the middle term is the average.

Step 3

Exam Tip

बीच का पद (3) और (11) का औसत है इसलिए \(m=\frac{3+11}{2}=7\)। तीन क्रमागत पदों में मध्य पद औसत होता है।

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यदि (d=0) है, तो समांतर श्रेढ़ी के लगातार पदों में क्या होगा?

If (d=0), what will happen to consecutive terms of an arithmetic progression?

Explanation opens after your attempt
Correct Answer

A. वे बराबर होंगेThey will be equal

Step 1

Concept

(d=0) means there is no difference between consecutive terms. Therefore, all terms will be equal.

Step 2

Why this answer is correct

The correct answer is A. वे बराबर होंगे / They will be equal. (d=0) means there is no difference between consecutive terms. Therefore, all terms will be equal.

Step 3

Exam Tip

(d=0) का अर्थ है कि लगातार पदों में कोई अंतर नहीं है। इसलिए सभी पद बराबर होंगे।

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किस विकल्प में लगातार अंतर समान नहीं है?

In which option are the consecutive differences not equal?

Explanation opens after your attempt
Correct Answer

D. \(2,4,7,11,\ldots\)

Step 1

Concept

In \(2,4,7,11,\ldots\), the differences are (2,3,4). To identify an arithmetic progression all differences must be equal.

Step 2

Why this answer is correct

The correct answer is D. \(2,4,7,11,\ldots\). In \(2,4,7,11,\ldots\), the differences are (2,3,4). To identify an arithmetic progression all differences must be equal.

Step 3

Exam Tip

\(2,4,7,11,\ldots\) में अंतर (2,3,4) हैं। अंकगणितीय श्रेणी पहचानने के लिए सभी अंतर समान होने चाहिए।

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किसी सूची में क्रमागत पदों का अंतर समान हो तो उस सूची को क्या कहते हैं?

What is a list called when the difference between consecutive terms is constant?

Explanation opens after your attempt
Correct Answer

A. अंकगणितीय श्रेणीArithmetic progression

Step 1

Concept

A constant difference between consecutive terms is the key sign of an arithmetic progression. In exams first check the differences.

Step 2

Why this answer is correct

The correct answer is A. अंकगणितीय श्रेणी / Arithmetic progression. A constant difference between consecutive terms is the key sign of an arithmetic progression. In exams first check the differences.

Step 3

Exam Tip

क्रमागत पदों का समान अंतर अंकगणितीय श्रेणी की मुख्य पहचान है। परीक्षा में पहले अंतर जांचें।

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संख्या रेखा पर \( \sqrt{131}+2 \) किस दो लगातार पूर्णांकों के बीच है?

Between which two consecutive integers is \( \sqrt{131}+2 \) on the number line?

Explanation opens after your attempt
Correct Answer

B. (13) और (14)(13) and (14)

Step 1

Concept

Since \(11<\sqrt{131}<12\), \(13<\sqrt{131}+2<14\). First find the bounds of the square root.

Step 2

Why this answer is correct

The correct answer is B. (13) और (14) / (13) and (14). Since \(11<\sqrt{131}<12\), \(13<\sqrt{131}+2<14\). First find the bounds of the square root.

Step 3

Exam Tip

\(11<\sqrt{131}<12\), इसलिए \(13<\sqrt{131}+2<14\)। पहले वर्गमूल की सीमा निकालें।

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संख्या रेखा पर \( \sqrt{126}-\sqrt{80} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers does \( \sqrt{126}-\sqrt{80} \) lie on the number line?

Explanation opens after your attempt
Correct Answer

B. (2) और (3)(2) and (3)

Step 1

Concept

\( \sqrt{126}\approx11.22 \) and \( \sqrt{80}\approx8.94 \), so the difference is about (2.28). Estimate both square roots first.

Step 2

Why this answer is correct

The correct answer is B. (2) और (3) / (2) and (3). \( \sqrt{126}\approx11.22 \) and \( \sqrt{80}\approx8.94 \), so the difference is about (2.28). Estimate both square roots first.

Step 3

Exam Tip

\( \sqrt{126}\approx11.22 \) और \( \sqrt{80}\approx8.94 \), इसलिए अंतर लगभग (2.28) है। पहले दोनों वर्गमूलों का अनुमान करें।

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संख्या रेखा पर \( \sqrt{89}+1 \) किस दो लगातार पूर्णांकों के बीच है?

Between which two consecutive integers is \( \sqrt{89}+1 \) on the number line?

Explanation opens after your attempt
Correct Answer

B. (10) और (11)(10) and (11)

Step 1

Concept

Since \(9<\sqrt{89}<10\), \(10<\sqrt{89}+1<11\). First find the root bounds.

Step 2

Why this answer is correct

The correct answer is B. (10) और (11) / (10) and (11). Since \(9<\sqrt{89}<10\), \(10<\sqrt{89}+1<11\). First find the root bounds.

Step 3

Exam Tip

\(9<\sqrt{89}<10\), इसलिए \(10<\sqrt{89}+1<11\)। पहले मूल की सीमा निकालें।

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संख्या रेखा पर \( \sqrt{91}-\sqrt{55} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers does \( \sqrt{91}-\sqrt{55} \) lie on the number line?

Explanation opens after your attempt
Correct Answer

B. (2) और (3)(2) and (3)

Step 1

Concept

\( \sqrt{91}\approx9.54 \) and \( \sqrt{55}\approx7.42 \), so the difference is about (2.12). Estimate both roots first.

Step 2

Why this answer is correct

The correct answer is B. (2) और (3) / (2) and (3). \( \sqrt{91}\approx9.54 \) and \( \sqrt{55}\approx7.42 \), so the difference is about (2.12). Estimate both roots first.

Step 3

Exam Tip

\( \sqrt{91}\approx9.54 \) और \( \sqrt{55}\approx7.42 \), इसलिए अंतर लगभग (2.12) है। पहले दोनों मूलों का अनुमान करें।

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संख्या रेखा पर \( \sqrt{6}+\frac{1}{3} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers is \( \sqrt{6}+\frac{1}{3} \) located on the number line?

Explanation opens after your attempt
Correct Answer

B. (2) और (3)(2) and (3)

Step 1

Concept

\( \sqrt{6}\approx2.449 \) and \( \frac{1}{3}\approx0.333 \), so the sum is about (2.782). For mixed values, estimate first.

Step 2

Why this answer is correct

The correct answer is B. (2) और (3) / (2) and (3). \( \sqrt{6}\approx2.449 \) and \( \frac{1}{3}\approx0.333 \), so the sum is about (2.782). For mixed values, estimate first.

Step 3

Exam Tip

\( \sqrt{6}\approx2.449 \) और \( \frac{1}{3}\approx0.333 \), इसलिए योग लगभग (2.782) है। मिश्रित मानों में पहले अनुमान लगाएँ।

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यदि \(P=-\sqrt{80}\), तो (P) किस दो लगातार पूर्णांकों के बीच स्थित है?

If \(P=-\sqrt{80}\), between which two consecutive integers is (P) located?

Explanation opens after your attempt
Correct Answer

A. ( -9 ) और ( -8 )( -9 ) and ( -8 )

Step 1

Concept

Since \(8<\sqrt{80}<9\), \(-9<-\sqrt{80}<-8\). Write intervals carefully for negative roots.

Step 2

Why this answer is correct

The correct answer is A. ( -9 ) और ( -8 ) / ( -9 ) and ( -8 ). Since \(8<\sqrt{80}<9\), \(-9<-\sqrt{80}<-8\). Write intervals carefully for negative roots.

Step 3

Exam Tip

क्योंकि \(8<\sqrt{80}<9\), इसलिए \(-9<-\sqrt{80}<-8\)। ऋणात्मक मूलों में अंतराल सावधानी से लिखें।

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संख्या रेखा पर \( \sqrt{52} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers is \( \sqrt{52} \) located on the number line?

Explanation opens after your attempt
Correct Answer

B. (7) और (8)(7) and (8)

Step 1

Concept

Since (49<52<64), \(7<\sqrt{52}<8\). First identify the nearest perfect squares.

Step 2

Why this answer is correct

The correct answer is B. (7) और (8) / (7) and (8). Since (49<52<64), \(7<\sqrt{52}<8\). First identify the nearest perfect squares.

Step 3

Exam Tip

क्योंकि (49<52<64), इसलिए \(7<\sqrt{52}<8\)। पहले निकटतम पूर्ण वर्गों को पहचानें।

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संख्या रेखा पर \( \sqrt{37}+1 \) किस दो लगातार पूर्णांकों के बीच है?

Between which two consecutive integers is \( \sqrt{37}+1 \) on the number line?

Explanation opens after your attempt
Correct Answer

A. (7) और (8)(7) and (8)

Step 1

Concept

Since \(6<\sqrt{37}<7\), \(7<\sqrt{37}+1<8\). First find the bounds of the square root.

Step 2

Why this answer is correct

The correct answer is A. (7) और (8) / (7) and (8). Since \(6<\sqrt{37}<7\), \(7<\sqrt{37}+1<8\). First find the bounds of the square root.

Step 3

Exam Tip

\(6<\sqrt{37}<7\) इसलिए \(7<\sqrt{37}+1<8\)। पहले वर्गमूल की सीमा निकालें।

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संख्या रेखा पर \( \sqrt{31}-\sqrt{12} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers does \( \sqrt{31}-\sqrt{12} \) lie on the number line?

Explanation opens after your attempt
Correct Answer

B. (1) और (2)(1) and (2)

Step 1

Concept

\( \sqrt{31}\approx5.57 \) and \( \sqrt{12}\approx3.46 \) so the difference is about (2.11). Estimate both roots first.

Step 2

Why this answer is correct

The correct answer is B. (1) और (2) / (1) and (2). \( \sqrt{31}\approx5.57 \) and \( \sqrt{12}\approx3.46 \) so the difference is about (2.11). Estimate both roots first.

Step 3

Exam Tip

\( \sqrt{31}\approx5.57 \) और \( \sqrt{12}\approx3.46 \) इसलिए अंतर लगभग (2.11) है। पहले दोनों मूलों का अनुमान करें।

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संख्या रेखा पर \( \sqrt{5}+\frac{1}{2} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers is \( \sqrt{5}+\frac{1}{2} \) located on the number line?

Explanation opens after your attempt
Correct Answer

A. (2) और (3)(2) and (3)

Step 1

Concept

Since \( \sqrt{5}\approx2.236\), \( \sqrt{5}+\frac{1}{2}\approx2.736\). Use estimation to identify the interval quickly.

Step 2

Why this answer is correct

The correct answer is A. (2) और (3) / (2) and (3). Since \( \sqrt{5}\approx2.236\), \( \sqrt{5}+\frac{1}{2}\approx2.736\). Use estimation to identify the interval quickly.

Step 3

Exam Tip

क्योंकि \( \sqrt{5}\approx2.236\), इसलिए \( \sqrt{5}+\frac{1}{2}\approx2.736\)। अनुमान लगाकर अंतराल जल्दी पहचानें।

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यदि संख्या रेखा पर (P) का निर्देशांक \( -\sqrt{48} \) है, तो (P) किस दो लगातार पूर्णांकों के बीच है?

If point (P) has coordinate \( -\sqrt{48} \) on the number line, between which two consecutive integers does (P) lie?

Explanation opens after your attempt
Correct Answer

A. (-7) और (-6)(-7) and (-6)

Step 1

Concept

Since \(6<\sqrt{48}<7\), \(-7<-\sqrt{48}<-6\). Write the interval carefully for negative square roots.

Step 2

Why this answer is correct

The correct answer is A. (-7) और (-6) / (-7) and (-6). Since \(6<\sqrt{48}<7\), \(-7<-\sqrt{48}<-6\). Write the interval carefully for negative square roots.

Step 3

Exam Tip

\(6<\sqrt{48}<7\), इसलिए \(-7<-\sqrt{48}<-6\)। ऋणात्मक वर्गमूल में अंतराल उल्टा लिखें।

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संख्या रेखा पर \( -\sqrt{7} \) किस दो लगातार पूर्णांकों के बीच स्थित है?

Between which two consecutive integers is \( -\sqrt{7} \) located on the number line?

Explanation opens after your attempt
Correct Answer

A. ( -3) और (-2)( -3) and (-2)

Step 1

Concept

Since \(2<\sqrt{7}<3\), we have \(-3<-\sqrt{7}<-2\). For negative numbers, remember the order reverses.

Step 2

Why this answer is correct

The correct answer is A. ( -3) और (-2) / ( -3) and (-2). Since \(2<\sqrt{7}<3\), we have \(-3<-\sqrt{7}<-2\). For negative numbers, remember the order reverses.

Step 3

Exam Tip

क्योंकि \(2<\sqrt{7}<3\), इसलिए \(-3<-\sqrt{7}<-2\)। ऋणात्मक संख्या में क्रम उलटने पर ध्यान रखें।

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संख्या रेखा पर \( \sqrt{18} \) को सबसे सही किस दो लगातार पूर्णांकों के बीच दिखाया जाएगा?

Between which two consecutive integers should \( \sqrt{18} \) be shown most accurately on the number line?

Explanation opens after your attempt
Correct Answer

A. (4) और (5)(4) and (5)

Step 1

Concept

Since (16<18<25), we get \(4<\sqrt{18}<5\). In exams, compare perfect squares first.

Step 2

Why this answer is correct

The correct answer is A. (4) और (5) / (4) and (5). Since (16<18<25), we get \(4<\sqrt{18}<5\). In exams, compare perfect squares first.

Step 3

Exam Tip

क्योंकि (16<18<25), इसलिए \(4<\sqrt{18}<5\)। परीक्षा में वर्गों की तुलना पहले करें।

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संख्या रेखा पर \(\frac{-11}{5}\) किस दो क्रमागत पूर्णांकों के बीच आएगा?

On the number line, between which two consecutive integers will \(\frac{-11}{5}\) lie?

Explanation opens after your attempt
Correct Answer

A. (-3) और (-2)(-3) and (-2)

Step 1

Concept

Since \(\frac{-11}{5}=-2.2\), it lies between (-3) and (-2). Be careful with position of negative decimals.

Step 2

Why this answer is correct

The correct answer is A. (-3) और (-2) / (-3) and (-2). Since \(\frac{-11}{5}=-2.2\), it lies between (-3) and (-2). Be careful with position of negative decimals.

Step 3

Exam Tip

\(\frac{-11}{5}=-2.2\), इसलिए यह (-3) और (-2) के बीच है। ऋणात्मक दशमलव में स्थान का ध्यान रखें।

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संख्या रेखा पर \(\sqrt{26}\) किस दो क्रमागत पूर्णांकों के बीच होगा?

Between which two consecutive integers will \(\sqrt{26}\) lie on the number line?

Explanation opens after your attempt
Correct Answer

B. (5) और (6)(5) and (6)

Step 1

Concept

Since \(5^2<26<6^2\), \(\sqrt{26}\) lies between (5) and (6). Check nearby perfect squares.

Step 2

Why this answer is correct

The correct answer is B. (5) और (6) / (5) and (6). Since \(5^2<26<6^2\), \(\sqrt{26}\) lies between (5) and (6). Check nearby perfect squares.

Step 3

Exam Tip

क्योंकि \(5^2<26<6^2\), इसलिए \(\sqrt{26}\) (5) और (6) के बीच होगा। पास के पूर्ण वर्ग देखें।

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