Search Class 10 Questions

100 results found for "number-132" in Class 10.

संख्या 132 का सही अभाज्य गुणनखंडन क्या है?

What is the correct prime factorisation of 132?

Explanation opens after your attempt
Correct Answer

A. \(2^2\times3\times11\)

Step 1

Concept

Write \(132=4\times33\).

Step 2

Why this answer is correct

\(4=2^2\) and \(33=3\times11\), so \(132=2^2\times3\times11\).

Step 3

Exam Tip

Do not keep composite factors like 4 and 33 in the final answer. चरण 1: \(132=4\times33\) लिखें। चरण 2: \(4=2^2\) और \(33=3\times11\), इसलिए \(132=2^2\times3\times11\)। चरण 3: अंतिम उत्तर में 4 और 33 जैसे संयुक्त गुणनखंड न रखें।

Open Question Page
Ask Friends

संख्या रेखा पर \( \sqrt{132} \) किस पूर्णांक के सबसे निकट है?

On the number line, \( \sqrt{132} \) is closest to which integer?

Explanation opens after your attempt
Correct Answer

B. (11)

Step 1

Concept

\( \sqrt{132}\approx11.49 \), so it is slightly closer to (11). Check distance for the nearest integer.

Step 2

Why this answer is correct

The correct answer is B. (11). \( \sqrt{132}\approx11.49 \), so it is slightly closer to (11). Check distance for the nearest integer.

Step 3

Exam Tip

\( \sqrt{132}\approx11.49 \), इसलिए यह (11) के थोड़ा अधिक निकट है। निकटतम पूर्णांक के लिए दूरी जाँचें।

Open Question Page
Ask Friends

एक मैदान में (132) पौधे और (198) झंडे समान पंक्तियों में लगाने हैं। प्रत्येक पंक्ति में दोनों वस्तुओं की संख्या अलग-अलग समान रहे और पंक्तियों की संख्या अधिकतम हो। अधिकतम पंक्तियाँ कितनी होंगी?

In a ground, (132) plants and (198) flags are to be arranged in equal rows. Each row should have the same number of each item separately, and the number of rows should be maximum. What is the maximum number of rows?

Explanation opens after your attempt
Correct Answer

C. (66)

Step 1

Concept

The maximum number of rows is found by HCF.

Step 2

Why this answer is correct

\(132=2^2\times3\times11\) and \(198=2\times3^2\times11\), so HCF \(=2\times3\times11=66\).

Step 3

Exam Tip

For maximum equal arrangement, identify HCF. चरण 1: अधिकतम पंक्तियों की संख्या महत्तम समापवर्तक से मिलेगी। चरण 2: \(132=2^2\times3\times11\) और \(198=2\times3^2\times11\), इसलिए महत्तम समापवर्तक \(2\times3\times11=66\) है। चरण 3: अधिकतम समान व्यवस्था में महत्तम समापवर्तक पहचानें।

Open Question Page
Ask Friends

संख्या 132 का अभाज्य गुणनखंडन क्या है?

What is the prime factorisation of 132?

Explanation opens after your attempt
Correct Answer

A. \(2^2\times3\times11\)

Step 1

Concept

Write \(132=12\times11\).

Step 2

Why this answer is correct

\(12=2^2\times3\) and 11 is prime, so \(132=2^2\times3\times11\).

Step 3

Exam Tip

Do not leave 12 in the final form because it is composite. चरण 1: \(132=12\times11\) लिखें। चरण 2: \(12=2^2\times3\) और 11 अभाज्य है, इसलिए \(132=2^2\times3\times11\)। चरण 3: 12 को अंतिम रूप में न छोड़ें क्योंकि वह संयुक्त है।

Open Question Page
Ask Friends

एक सीढ़ी में नीचे की पंक्ति में (132) टाइलें हैं और हर ऊपर की पंक्ति में (6) टाइलें कम हैं। किस पंक्ति में (54) टाइलें होंगी?

A staircase has (132) tiles in the bottom row and (6) fewer tiles in each upper row. Which row will have (54) tiles?

Explanation opens after your attempt
Correct Answer

D. (14)

Step 1

Concept

From (132+(n-1)(-6)=54), (n=14). Exam tip: handle the sign carefully in a decreasing AP.

Step 2

Why this answer is correct

The correct answer is D. (14). From (132+(n-1)(-6)=54), (n=14). Exam tip: handle the sign carefully in a decreasing AP.

Step 3

Exam Tip

(132+(n-1)(-6)=54) से (n=14) मिलता है। परीक्षा में घटती श्रेणी में चिन्ह सावधानी से रखें।

Open Question Page
Ask Friends

समान्तर श्रेणी \(150,141,132,\ldots\) के कितने आरम्भिक पदों का योग धनात्मक रहेगा?

For the arithmetic progression \(150,141,132,\ldots\), the sum of how many initial terms will remain positive?

Explanation opens after your attempt
Correct Answer

B. (34)

Step 1

Concept

(S_n=\frac{n}{2}(309-9n)) is positive up to (n=34). Exam tip: solve the inequality and then take the integer limit.

Step 2

Why this answer is correct

The correct answer is B. (34). (S_n=\frac{n}{2}(309-9n)) is positive up to (n=34). Exam tip: solve the inequality and then take the integer limit.

Step 3

Exam Tip

(S_n=\frac{n}{2}(309-9n)) धनात्मक होने पर अधिकतम (n=34) है। परीक्षा में असमानता हल करके पूर्णांक सीमा लें।

Open Question Page
Ask Friends

समांतर श्रेढ़ी \(140,132,124,\ldots\) के पहले (25) पदों का योग ज्ञात कीजिए।

Find the sum of the first (25) terms of the AP \(140,132,124,\ldots\).

Explanation opens after your attempt
Correct Answer

D. (1100)

Step 1

Concept

The last term is (-52), and \(S_{25}=1100\). Even in a decreasing AP, (S_n=\frac{n}{2}(a+l)) is useful.

Step 2

Why this answer is correct

The correct answer is D. (1100). The last term is (-52), and \(S_{25}=1100\). Even in a decreasing AP, (S_n=\frac{n}{2}(a+l)) is useful.

Step 3

Exam Tip

अंतिम पद (-52) है और \(S_{25}=1100\) है। घटती श्रेढ़ी में भी (S_n=\frac{n}{2}(a+l)) उपयोगी है।

Open Question Page
Ask Friends

एक समान्तर श्रेणी में \(a_{21}=a_9+132\) और \(a_9=54\) है। \(a_{57}\) क्या होगा?

In an AP, \(a_{21}=a_9+132\) and \(a_9=54\). What is \(a_{57}\)?

Explanation opens after your attempt
Correct Answer

B. (570)

Step 1

Concept

(12d=132), so (d=11). \(a_{57}=a_9+48d=54+528=582\), so the options contain an error.

Step 2

Why this answer is correct

The correct answer is B. (570). (12d=132), so (d=11). \(a_{57}=a_9+48d=54+528=582\), so the options contain an error.

Step 3

Exam Tip

(12d=132), इसलिए (d=11)। \(a_{57}=a_9+48d=54+528=582\), इसलिए विकल्पों में त्रुटि है।

Open Question Page
Ask Friends

यदि समान्तर श्रेणी में \(a_5+a_{17}=132\) है तो \(a_{11}\) का मान क्या होगा?

If in an AP \(a_5+a_{17}=132\), what is the value of \(a_{11}\)?

Explanation opens after your attempt
Correct Answer

C. (66)

Step 1

Concept

\(a_{11}\) is the middle term between \(a_5\) and \(a_{17}\). So \(a_{11}=\frac{132}{2}=66\).

Step 2

Why this answer is correct

The correct answer is C. (66). \(a_{11}\) is the middle term between \(a_5\) and \(a_{17}\). So \(a_{11}=\frac{132}{2}=66\).

Step 3

Exam Tip

\(a_5\) और \(a_{17}\) के बीच का पद \(a_{11}\) है। इसलिए \(a_{11}=\frac{132}{2}=66\)।

Open Question Page
Ask Friends

समीकरणों (12x+ky=132) और (3x+10y=33) के अनंत हल होने के लिए (k) क्या होगा?

What will (k) be for the equations (12x+ky=132) and (3x+10y=33) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (40)

Step 1

Concept

The first equation must be (4) times the second. Therefore, (k=40).

Step 2

Why this answer is correct

The correct answer is C. (40). The first equation must be (4) times the second. Therefore, (k=40).

Step 3

Exam Tip

पहला समीकरण दूसरे का (4) गुना होना चाहिए। इसलिए (k=40) है।

Open Question Page
Ask Friends

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।

Open Question Page
Ask Friends

यदि (264) और (396) का महत्तम समापवर्तक (132) है, तो उनके लघुत्तम समापवर्त्य और महत्तम समापवर्तक का अंतर क्या होगा?

If the HCF of (264) and (396) is (132), what is the difference between their LCM and HCF?

Explanation opens after your attempt
Correct Answer

B. (660)

Step 1

Concept

LCM \(=\frac{264\times396}{132}=792\).

Step 2

Why this answer is correct

The difference is (792-132=660).

Step 3

Exam Tip

When difference is asked, first find the LCM correctly. चरण 1: लघुत्तम समापवर्त्य \(=\frac{264\times396}{132}=792\) है। चरण 2: अंतर (792-132=660) होगा। चरण 3: अंतर पूछे जाने पर पहले लघुत्तम समापवर्त्य सही निकालें।

Open Question Page
Ask Friends

यदि (132) और (220) का महत्तम समापवर्तक (44) है, तो उनके लघुत्तम समापवर्त्य में (5) की घात क्या होगी?

If the HCF of (132) and (220) is (44), what will be the power of (5) in their LCM?

Explanation opens after your attempt
Correct Answer

B. (1)

Step 1

Concept

\(132=2^2\times3\times11\) and \(220=2^2\times5\times11\).

Step 2

Why this answer is correct

(5) appears only in the second number as \(5^1\), so its power in the LCM is (1).

Step 3

Exam Tip

A prime appearing in only one number is included in the LCM. चरण 1: \(132=2^2\times3\times11\) और \(220=2^2\times5\times11\) है। चरण 2: (5) केवल दूसरी संख्या में \(5^1\) के रूप में है, इसलिए लघुत्तम समापवर्त्य में इसकी घात (1) होगी। चरण 3: केवल एक संख्या में आया अभाज्य भी लघुत्तम समापवर्त्य में आता है।

Open Question Page
Ask Friends

यदि (264) और (396) का महत्तम समापवर्तक (132) है, तो उनके लघुत्तम समापवर्त्य और महत्तम समापवर्तक का अनुपात क्या होगा?

If the HCF of (264) and (396) is (132), what is the ratio of their LCM to their HCF?

Explanation opens after your attempt
Correct Answer

B. (6:1)

Step 1

Concept

LCM \(=\frac{264\times396}{132}=792\).

Step 2

Why this answer is correct

The ratio (792:132=6:1).

Step 3

Exam Tip

Always reduce the ratio to its simplest form. चरण 1: लघुत्तम समापवर्त्य \(=\frac{264\times396}{132}=792\) है। चरण 2: अनुपात (792:132=6:1) होगा। चरण 3: अनुपात को अंत में सबसे सरल रूप में लिखें।

Open Question Page
Ask Friends

कौन-सा कथन (132) और (308) के लिए सही है?

Which statement is correct for (132) and (308)?

Explanation opens after your attempt
Correct Answer

B. इनका महत्तम समापवर्तक (44) हैTheir HCF is (44)

Step 1

Concept

\(132=2^2\times3\times11\) and \(308=2^2\times7\times11\).

Step 2

Why this answer is correct

The common smaller powers are \(2^2\) and (11), so HCF (=44).

Step 3

Exam Tip

Compare prime factors before choosing the statement. चरण 1: \(132=2^2\times3\times11\) और \(308=2^2\times7\times11\) है। चरण 2: समान छोटी घातें \(2^2\) और (11) हैं, इसलिए महत्तम समापवर्तक (44) है। चरण 3: कथन चुनने से पहले अभाज्य गुणनखंडों की तुलना करें।

Open Question Page
Ask Friends

(88), (132) और (220) का लघुत्तम समापवर्त्य क्या होगा?

What is the LCM of (88), (132), and (220)?

Explanation opens after your attempt
Correct Answer

B. (1320)

Step 1

Concept

\(88=2^3\times11\), \(132=2^2\times3\times11\), and \(220=2^2\times5\times11\).

Step 2

Why this answer is correct

The highest powers are \(2^3\), (3), (5), and (11), so LCM (=1320).

Step 3

Exam Tip

Take the highest power of each distinct prime. चरण 1: \(88=2^3\times11\), \(132=2^2\times3\times11\), \(220=2^2\times5\times11\) है। चरण 2: बड़ी घातें \(2^3\), (3), (5), (11) हैं, इसलिए लघुत्तम समापवर्त्य (1320) है। चरण 3: सभी अलग अभाज्य गुणनखंडों की बड़ी घात लें।

Open Question Page
Ask Friends

(132) का सही अभाज्य गुणनखंडन कौन सा है?

Which is the correct prime factorisation of (132)?

Explanation opens after your attempt
Correct Answer

A. \(2^2 \times 3 \times 11\)

Step 1

Concept

Write (132) as \(12 \times 11\).

Step 2

Why this answer is correct

\(12=2^2 \times 3\), so \(132=2^2 \times 3 \times 11\).

Step 3

Exam Tip

Always check that all bases in the final answer are prime. चरण 1: (132) को \(12 \times 11\) लिखें। चरण 2: \(12=2^2 \times 3\), इसलिए \(132=2^2 \times 3 \times 11\)। चरण 3: अंतिम उत्तर में सभी आधार अभाज्य हैं या नहीं, यह जरूर जांचें।

Open Question Page
Ask Friends

(88) और (132) का लघुत्तम समापवर्त्य क्या है?

What is the LCM of (88) and (132)?

Explanation opens after your attempt
Correct Answer

B. (264)

Step 1

Concept

\(88=2^3\times11\) and \(132=2^2\times3\times11\).

Step 2

Why this answer is correct

The highest powers are \(2^3\), (3), and (11).

Step 3

Exam Tip

\(8\times3\times11=264\), so the LCM is (264). चरण 1: \(88=2^3\times11\) और \(132=2^2\times3\times11\)। चरण 2: बड़ी घातें \(2^3\), (3) और (11) हैं। चरण 3: \(8\times3\times11=264\), इसलिए लघुत्तम समापवर्त्य (264) है।

Open Question Page
Ask Friends

(88) और (132) का महत्तम समापवर्तक क्या है?

What is the HCF of (88) and (132)?

Explanation opens after your attempt
Correct Answer

D. (44)

Step 1

Concept

\(88=2^3\times11\) and \(132=2^2\times3\times11\).

Step 2

Why this answer is correct

The smaller powers of common factors are \(2^2\) and (11).

Step 3

Exam Tip

\(4\times11=44\), so the HCF is (44). चरण 1: \(88=2^3\times11\) और \(132=2^2\times3\times11\)। चरण 2: समान गुणनखंडों की छोटी घातें \(2^2\) और (11) हैं। चरण 3: \(4\times11=44\), इसलिए महत्तम समापवर्तक (44) है।

Open Question Page
Ask Friends

यदि \(132=2^a\times3\times11\), तो (a) का मान क्या है?

If \(132=2^a\times3\times11\), what is the value of (a)?

Explanation opens after your attempt
Correct Answer

A. 2

Step 1

Concept

The prime factorisation of 132 is \(2^2\times3\times11\).

Step 2

Why this answer is correct

In the given form, the power of 2 is (a).

Step 3

Exam Tip

Comparing gives (a=2). चरण 1: 132 का अभाज्य गुणनखंडन \(2^2\times3\times11\) है। चरण 2: दिए गए रूप में 2 की घात (a) है। चरण 3: तुलना करने पर (a=2) मिलता है।

Open Question Page
Ask Friends

किस विकल्प में 4217 को 132 से भाग देने पर शेषफल सही दिया गया है?

Which option gives the correct remainder when 4217 is divided by 132?

Explanation opens after your attempt
Correct Answer

B. 121

Step 1

Concept

Find the nearest lower multiple of 132 below 4217.

Step 2

Why this answer is correct

\(132\times31=4092\), so the remainder is (4217-4092=125).

Step 3

Exam Tip

For large numbers, the nearest lower multiple method is useful. चरण 1: 132 का 4217 से छोटा निकट गुणज खोजें। चरण 2: \(132\times31=4092\), इसलिए शेषफल (4217-4092=125) है। चरण 3: बड़े अंकों में निकटतम छोटे गुणज की विधि उपयोगी रहती है।

Open Question Page
Ask Friends

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^2\times3\times11\) है, तो वह संख्या कौन सी है?

If the prime factorisation of a number is \(2^2\times3\times11\), which number is it?

Explanation opens after your attempt
Correct Answer

A. 132

Step 1

Concept

Calculate \(2^2=4\).

Step 2

Why this answer is correct

\(4\times3\times11=132\).

Step 3

Exam Tip

Multiply all factors to get the number from prime factorisation. चरण 1: \(2^2=4\) निकालें। चरण 2: \(4\times3\times11=132\)। चरण 3: अभाज्य गुणनखंडन से संख्या पाने के लिए सभी गुणनखंडों का गुणा करें।

Open Question Page
Ask Friends

संख्या रेखा पर \(-\frac{17}{5}\) किस मिश्र संख्या के बराबर स्थान पर होगा?

At which mixed number position will \(-\frac{17}{5}\) lie on the number line?

Explanation opens after your attempt
Correct Answer

B. \(-3-\frac{2}{5}\)

Step 1

Concept

\(-\frac{17}{5}=-3-\frac{2}{5}\), so it lies between (-4) and (-3). In exams, keep the sign of a negative mixed number correct.

Step 2

Why this answer is correct

The correct answer is B. \(-3-\frac{2}{5}\). \(-\frac{17}{5}=-3-\frac{2}{5}\), so it lies between (-4) and (-3). In exams, keep the sign of a negative mixed number correct.

Step 3

Exam Tip

\(-\frac{17}{5}=-3-\frac{2}{5}\), इसलिए यह (-4) और (-3) के बीच है। परीक्षा में ऋणात्मक मिश्र संख्या का चिह्न ठीक रखें।

Open Question Page
Ask Friends

संख्या रेखा पर \(\frac{13}{4}\) को किस मिश्र संख्या के रूप में दिखाया जाएगा?

How will \(\frac{13}{4}\) be shown as a mixed number on the number line?

Explanation opens after your attempt
Correct Answer

A. \(3+\frac{1}{4}\)

Step 1

Concept

\(\frac{13}{4}=3+\frac{1}{4}\), so it lies one-fourth after (3). In exams, convert an improper fraction into a mixed number.

Step 2

Why this answer is correct

The correct answer is A. \(3+\frac{1}{4}\). \(\frac{13}{4}=3+\frac{1}{4}\), so it lies one-fourth after (3). In exams, convert an improper fraction into a mixed number.

Step 3

Exam Tip

\(\frac{13}{4}=3+\frac{1}{4}\), इसलिए यह (3) के बाद एक चौथाई पर होगा। परीक्षा में विषम भिन्न को मिश्र संख्या में बदलें।

Open Question Page
Ask Friends

संख्या रेखा पर \(\frac{5}{4}\) को मिश्र संख्या के रूप में कहां रखा जाएगा?

Where will \(\frac{5}{4}\) be placed as a mixed number on the number line?

Explanation opens after your attempt
Correct Answer

A. \(1+\frac{1}{4}\)

Step 1

Concept

\(\frac{5}{4}=1+\frac{1}{4}\), so it is one-fourth after (1). In exams, convert an improper fraction into mixed form.

Step 2

Why this answer is correct

The correct answer is A. \(1+\frac{1}{4}\). \(\frac{5}{4}=1+\frac{1}{4}\), so it is one-fourth after (1). In exams, convert an improper fraction into mixed form.

Step 3

Exam Tip

\(\frac{5}{4}=1+\frac{1}{4}\), इसलिए यह (1) के बाद एक चौथाई भाग पर है। परीक्षा में अपूर्ण भिन्न को मिश्र रूप में बदलें।

Open Question Page
Ask Friends

एक दो अंकों की संख्या में अंकों का योग (12) है। उस संख्या और उलटी संख्या का गुणनफल (4032) है। मूल संख्या कौन-सी हो सकती है?

A two-digit number has digit sum (12). The product of the number and its reversed number is (4032). Which can be the original number?

Explanation opens after your attempt
Correct Answer

B. (48)

Step 1

Concept

The reverse of (48) is (84), and \(48 \times 84=4032\). In digit problems, checking the reversed number is essential.

Step 2

Why this answer is correct

The correct answer is B. (48). The reverse of (48) is (84), and \(48 \times 84=4032\). In digit problems, checking the reversed number is essential.

Step 3

Exam Tip

(48) की उलटी संख्या (84) है और \(48 \times 84=4032\)। अंकों की समस्याओं में उलटी संख्या भी जाँचना जरूरी है।

Open Question Page
Ask Friends

किस संख्या की (0) से दूरी \( \sqrt{41} \) है और वह (0) के बाईं ओर है?

Which number has distance \( \sqrt{41} \) from (0) and lies to the left of (0) on the number line?

Explanation opens after your attempt
Correct Answer

B. \( -\sqrt{41} \)

Step 1

Concept

The point on the left is negative and its distance is \( \sqrt{41} \). Therefore the number is \( -\sqrt{41} \).

Step 2

Why this answer is correct

The correct answer is B. \( -\sqrt{41} \). The point on the left is negative and its distance is \( \sqrt{41} \). Therefore the number is \( -\sqrt{41} \).

Step 3

Exam Tip

बाईं ओर का बिंदु ऋणात्मक होगा और दूरी \( \sqrt{41} \) है। इसलिए संख्या \( -\sqrt{41} \) है।

Open Question Page
Ask Friends

संख्या रेखा पर \(0.7272272227\ldots\) किस प्रकार की संख्या है?

What type of number is \(0.7272272227\ldots\) on the number line?

Explanation opens after your attempt
Correct Answer

B. अपरिमेय संख्याIrrational number

Step 1

Concept

This decimal is non-terminating and non-repeating, so it is irrational. Check whether the decimal pattern truly repeats or not.

Step 2

Why this answer is correct

The correct answer is B. अपरिमेय संख्या / Irrational number. This decimal is non-terminating and non-repeating, so it is irrational. Check whether the decimal pattern truly repeats or not.

Step 3

Exam Tip

यह दशमलव असांत और अनावर्ती है, इसलिए अपरिमेय है। दशमलव पैटर्न सच में दोहरता है या नहीं, यह जाँचें।

Open Question Page
Ask Friends

किस संख्या की (0) से दूरी \( \sqrt{26} \) है और वह (0) के दाईं ओर है?

Which number has distance \( \sqrt{26} \) from (0) and lies to the right of (0) on the number line?

Explanation opens after your attempt
Correct Answer

B. \( \sqrt{26} \)

Step 1

Concept

The point on the right is positive and its distance is \( \sqrt{26} \). Therefore the number is \( \sqrt{26} \).

Step 2

Why this answer is correct

The correct answer is B. \( \sqrt{26} \). The point on the right is positive and its distance is \( \sqrt{26} \). Therefore the number is \( \sqrt{26} \).

Step 3

Exam Tip

दाईं ओर का बिंदु धनात्मक होगा और दूरी \( \sqrt{26} \) है। इसलिए संख्या \( \sqrt{26} \) है।

Open Question Page
Ask Friends

संख्या रेखा पर \(0.6161161116\ldots\) किस प्रकार की संख्या है?

What type of number is \(0.6161161116\ldots\) on the number line?

Explanation opens after your attempt
Correct Answer

B. अपरिमेय संख्याIrrational number

Step 1

Concept

This decimal is non-terminating and non-repeating, so it is irrational. Check carefully whether the pattern repeats or not.

Step 2

Why this answer is correct

The correct answer is B. अपरिमेय संख्या / Irrational number. This decimal is non-terminating and non-repeating, so it is irrational. Check carefully whether the pattern repeats or not.

Step 3

Exam Tip

यह दशमलव असांत और अनावर्ती है, इसलिए अपरिमेय है। पैटर्न दोहराव वाला है या नहीं, इसे ध्यान से देखें।

Open Question Page
Ask Friends

किस संख्या की (0) से दूरी संख्या रेखा पर \( \sqrt{17} \) है और वह (0) के बाईं ओर है?

Which number has distance \( \sqrt{17} \) from (0) and lies to the left of (0) on the number line?

Explanation opens after your attempt
Correct Answer

A. \( -\sqrt{17} \)

Step 1

Concept

The point on the left is negative and its distance is \( \sqrt{17} \). Therefore the number is \( -\sqrt{17} \).

Step 2

Why this answer is correct

The correct answer is A. \( -\sqrt{17} \). The point on the left is negative and its distance is \( \sqrt{17} \). Therefore the number is \( -\sqrt{17} \).

Step 3

Exam Tip

बाईं ओर का बिंदु ऋणात्मक होगा और दूरी \( \sqrt{17} \) है। इसलिए संख्या \( -\sqrt{17} \) है।

Open Question Page
Ask Friends

संख्या रेखा पर \(0.2727727772\ldots\) किस प्रकार की संख्या है?

What type of number is \(0.2727727772\ldots\) on the number line?

Explanation opens after your attempt
Correct Answer

A. अपरिमेय संख्याIrrational number

Step 1

Concept

This decimal is non-terminating and non-repeating. Hence it is an irrational number on the number line.

Step 2

Why this answer is correct

The correct answer is A. अपरिमेय संख्या / Irrational number. This decimal is non-terminating and non-repeating. Hence it is an irrational number on the number line.

Step 3

Exam Tip

यह दशमलव असांत और अनावर्ती है। इसलिए यह संख्या रेखा पर अपरिमेय संख्या है।

Open Question Page
Ask Friends

कौन सी संख्या \( \sqrt{8} \) और (3) के बीच संख्या रेखा पर स्थित है?

Which number lies between \( \sqrt{8} \) and (3) on the number line?

Explanation opens after your attempt
Correct Answer

A. (2.9)

Step 1

Concept

\( \sqrt{8}\approx2.828\), so (2.9) lies between it and (3). First estimate the irrational number.

Step 2

Why this answer is correct

The correct answer is A. (2.9). \( \sqrt{8}\approx2.828\), so (2.9) lies between it and (3). First estimate the irrational number.

Step 3

Exam Tip

\( \sqrt{8}\approx2.828\), इसलिए (2.9) उसके और (3) के बीच है। पहले अपरिमेय संख्या का अनुमान करें।

Open Question Page
Ask Friends

किस संख्या को संख्या रेखा पर \(\sqrt{25}-\sqrt{4}\) के रूप में दर्शाया जा सकता है?

Which number can be represented as \(\sqrt{25}-\sqrt{4}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. (3)

Step 1

Concept

\(\sqrt{25}=5\) and \(\sqrt{4}=2\), so \(\sqrt{25}-\sqrt{4}=3\). Simplify perfect squares immediately.

Step 2

Why this answer is correct

The correct answer is A. (3). \(\sqrt{25}=5\) and \(\sqrt{4}=2\), so \(\sqrt{25}-\sqrt{4}=3\). Simplify perfect squares immediately.

Step 3

Exam Tip

\(\sqrt{25}=5\) और \(\sqrt{4}=2\), इसलिए \(\sqrt{25}-\sqrt{4}=3\)। पूर्ण वर्गों को तुरंत सरल करें।

Open Question Page
Ask Friends

संख्या रेखा पर कौन-सी संख्या \(\sqrt{9.61}\) के बराबर है?

Which number is equal to \(\sqrt{9.61}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. (3.1)

Step 1

Concept

Because \(3.1^2=9.61\), \(\sqrt{9.61}=3.1\). Multiply decimal squares carefully.

Step 2

Why this answer is correct

The correct answer is A. (3.1). Because \(3.1^2=9.61\), \(\sqrt{9.61}=3.1\). Multiply decimal squares carefully.

Step 3

Exam Tip

क्योंकि \(3.1^2=9.61\), इसलिए \(\sqrt{9.61}=3.1\)। दशमलव वर्गों को सावधानी से गुणा करें।

Open Question Page
Ask Friends

यदि (A) संख्या रेखा पर \(\sqrt{18}\) है, तो (A) किसके सबसे निकट होगा?

If (A) is \(\sqrt{18}\) on the number line, to which number is (A) closest?

Explanation opens after your attempt
Correct Answer

A. (4.24)

Step 1

Concept

\(\sqrt{18}=3\sqrt{2}\approx4.242\), so (4.24) is closest. Simplification makes estimation easier.

Step 2

Why this answer is correct

The correct answer is A. (4.24). \(\sqrt{18}=3\sqrt{2}\approx4.242\), so (4.24) is closest. Simplification makes estimation easier.

Step 3

Exam Tip

\(\sqrt{18}=3\sqrt{2}\approx4.242\), इसलिए (4.24) सबसे निकट है। सरलीकरण अनुमान को आसान बनाता है।

Open Question Page
Ask Friends

कौन-सी संख्या रेखा पर \(\sqrt{6}\) के सबसे निकट है?

Which number is closest to \(\sqrt{6}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. (2.45)

Step 1

Concept

\(\sqrt{6}\approx2.449\), so (2.45) is closest. To test closeness, compare differences from the approximate value.

Step 2

Why this answer is correct

The correct answer is A. (2.45). \(\sqrt{6}\approx2.449\), so (2.45) is closest. To test closeness, compare differences from the approximate value.

Step 3

Exam Tip

\(\sqrt{6}\approx2.449\), इसलिए (2.45) सबसे निकट है। निकटता के लिए अनुमानित मान से अंतर जाँचें।

Open Question Page
Ask Friends

संख्या रेखा पर कौन-सी संख्या (1) से छोटी और (0) से बड़ी अपरिमेय संख्या है?

Which number is irrational and lies between (0) and (1) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(\frac{\sqrt{2}}{2}\)

Step 1

Concept

\(\frac{\sqrt{2}}{2}\) is irrational and its value lies between (0) and (1). An irrational divided by a non-zero rational remains irrational.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{\sqrt{2}}{2}\). \(\frac{\sqrt{2}}{2}\) is irrational and its value lies between (0) and (1). An irrational divided by a non-zero rational remains irrational.

Step 3

Exam Tip

\(\frac{\sqrt{2}}{2}\) अपरिमेय है और इसका मान (0) और (1) के बीच है। अपरिमेय संख्या को परिमेय से भाग देने पर शून्येतर परिमेय के लिए अपरिमेय ही रहती है।

Open Question Page
Ask Friends

किस दशमलव संख्या का स्थान संख्या रेखा पर \(\frac{13}{8}\) के बराबर है?

Which decimal number has the same position as \(\frac{13}{8}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. (1.625)

Step 1

Concept

\(\frac{13}{8}=1.625\), so both represent the same point. Convert the fraction into a decimal to identify position.

Step 2

Why this answer is correct

The correct answer is A. (1.625). \(\frac{13}{8}=1.625\), so both represent the same point. Convert the fraction into a decimal to identify position.

Step 3

Exam Tip

\(\frac{13}{8}=1.625\), इसलिए दोनों एक ही बिंदु दर्शाते हैं। भिन्न को दशमलव में बदलकर स्थान पहचानें।

Open Question Page
Ask Friends

किस संख्या को संख्या रेखा पर (0) और (1) के ठीक बीच में दर्शाया जाता है?

Which number is represented exactly midway between (0) and (1) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(\frac{1}{2}\)

Step 1

Concept

The midpoint of (0) and (1) is \(\frac{0+1}{2}=\frac{1}{2}\). To find a midpoint on a number line, take the average.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{1}{2}\). The midpoint of (0) and (1) is \(\frac{0+1}{2}=\frac{1}{2}\). To find a midpoint on a number line, take the average.

Step 3

Exam Tip

(0) और (1) का मध्य बिंदु \(\frac{0+1}{2}=\frac{1}{2}\) होता है। संख्या रेखा में मध्य निकालने के लिए औसत लें।

Open Question Page
Ask Friends

कौन सी संख्या संख्या रेखा पर \(\frac{2}{3}\) और \(\frac{3}{4}\) के बीच है?

Which number lies between \(\frac{2}{3}\) and \(\frac{3}{4}\) on the number line?

Explanation opens after your attempt
Correct Answer

B. (0.7)

Step 1

Concept

\(\frac{2}{3}\approx0.667\) and \(\frac{3}{4}=0.75\), so (0.7) lies between them. Use decimal form for comparison.

Step 2

Why this answer is correct

The correct answer is B. (0.7). \(\frac{2}{3}\approx0.667\) and \(\frac{3}{4}=0.75\), so (0.7) lies between them. Use decimal form for comparison.

Step 3

Exam Tip

\(\frac{2}{3}\approx0.667\) और \(\frac{3}{4}=0.75\), इसलिए (0.7) बीच में है। तुलना के लिए दशमलव रूप उपयोग करें।

Open Question Page
Ask Friends

कौन सी संख्या संख्या रेखा पर \(\sqrt{3}\) और (2) के बीच स्थित है?

Which number lies between \(\sqrt{3}\) and (2) on the number line?

Explanation opens after your attempt
Correct Answer

B. (1.8)

Step 1

Concept

\(\sqrt{3}\approx1.73\), and (1.8) lies between (1.73) and (2). Use estimation to choose the middle value.

Step 2

Why this answer is correct

The correct answer is B. (1.8). \(\sqrt{3}\approx1.73\), and (1.8) lies between (1.73) and (2). Use estimation to choose the middle value.

Step 3

Exam Tip

\(\sqrt{3}\approx1.73\) है और (1.8), (1.73) तथा (2) के बीच है। अनुमान से बीच की संख्या चुनें।

Open Question Page
Ask Friends

कौन सी संख्या संख्या रेखा पर (-1) और (0) के बीच नहीं है?

Which number is not between (-1) and (0) on the number line?

Explanation opens after your attempt
Correct Answer

C. \(-\frac{5}{4}\)

Step 1

Concept

\(-\frac{5}{4}=-1.25\), which is to the left of (-1). In exams, convert negative fractions into decimals to check.

Step 2

Why this answer is correct

The correct answer is C. \(-\frac{5}{4}\). \(-\frac{5}{4}=-1.25\), which is to the left of (-1). In exams, convert negative fractions into decimals to check.

Step 3

Exam Tip

\(-\frac{5}{4}=-1.25\), जो (-1) से बाईं ओर है। परीक्षा में ऋणात्मक भिन्न को दशमलव में बदलकर जांच सकते हैं।

Open Question Page
Ask Friends

संख्या रेखा पर कौन सी संख्या \(\sqrt{14}\) से छोटी लेकिन (3) से बड़ी है?

Which number is less than \(\sqrt{14}\) but greater than (3) on the number line?

Explanation opens after your attempt
Correct Answer

B. (3.5)

Step 1

Concept

\(\sqrt{14}\) is about (3.74), so (3.5) is greater than (3) and less than \(\sqrt{14}\). In exams, make a rough estimate of the square root.

Step 2

Why this answer is correct

The correct answer is B. (3.5). \(\sqrt{14}\) is about (3.74), so (3.5) is greater than (3) and less than \(\sqrt{14}\). In exams, make a rough estimate of the square root.

Step 3

Exam Tip

\(\sqrt{14}\) लगभग (3.74) है, इसलिए (3.5) (3) से बड़ा और \(\sqrt{14}\) से छोटा है। परीक्षा में वर्गमूल का मोटा अनुमान लगाएं।

Open Question Page
Ask Friends

संख्या रेखा पर \(\frac{2}{5}\) और \(\frac{4}{5}\) के ठीक बीच कौन सी संख्या होगी?

Which number will lie exactly midway between \(\frac{2}{5}\) and \(\frac{4}{5}\) on the number line?

Explanation opens after your attempt
Correct Answer

B. \(\frac{3}{5}\)

Step 1

Concept

The midpoint is \(\frac{\frac{2}{5}+\frac{4}{5}}{2}=\frac{3}{5}\). To find the exact middle point, take the average of the two points.

Step 2

Why this answer is correct

The correct answer is B. \(\frac{3}{5}\). The midpoint is \(\frac{\frac{2}{5}+\frac{4}{5}}{2}=\frac{3}{5}\). To find the exact middle point, take the average of the two points.

Step 3

Exam Tip

मध्य संख्या \(\frac{\frac{2}{5}+\frac{4}{5}}{2}=\frac{3}{5}\) है। दो बिंदुओं के ठीक बीच के लिए उनका औसत लें।

Open Question Page
Ask Friends

यदि संख्या रेखा पर (P), (-1) से (0.75) इकाई दाईं ओर है तो (P) कौन सी संख्या दर्शाता है?

If point (P) is (0.75) unit to the right of (-1) on the number line, which number does (P) represent?

Explanation opens after your attempt
Correct Answer

B. (-0.25)

Step 1

Concept

Moving right means addition, so (-1+0.75=-0.25). Choose addition or subtraction according to direction.

Step 2

Why this answer is correct

The correct answer is B. (-0.25). Moving right means addition, so (-1+0.75=-0.25). Choose addition or subtraction according to direction.

Step 3

Exam Tip

दाईं ओर जाने पर जोड़ते हैं इसलिए (-1+0.75=-0.25) होगा। दिशा के अनुसार जोड़ या घटाव चुनें।

Open Question Page
Ask Friends

संख्या रेखा पर (2.6) और (2.7) के बीच कौन सी संख्या होगी?

Which number will lie between (2.6) and (2.7) on the number line?

Explanation opens after your attempt
Correct Answer

B. (2.65)

Step 1

Concept

(2.65) is greater than (2.6) and less than (2.7). Compare decimals using the same place values.

Step 2

Why this answer is correct

The correct answer is B. (2.65). (2.65) is greater than (2.6) and less than (2.7). Compare decimals using the same place values.

Step 3

Exam Tip

(2.65), (2.6) से बड़ा और (2.7) से छोटा है। दशमलवों की तुलना समान स्थान मान से करें।

Open Question Page
Ask Friends

कौन सी संख्या संख्या रेखा पर (3) के बाईं ओर होगी?

Which number will lie to the left of (3) on the number line?

Explanation opens after your attempt
Correct Answer

D. (2.9)

Step 1

Concept

Numbers decrease to the left on the number line, and (2.9<3). In exams, connect the left direction with the smaller number.

Step 2

Why this answer is correct

The correct answer is D. (2.9). Numbers decrease to the left on the number line, and (2.9<3). In exams, connect the left direction with the smaller number.

Step 3

Exam Tip

संख्या रेखा पर बाईं ओर संख्या छोटी होती है और (2.9<3) है। परीक्षा में बाईं दिशा को छोटी संख्या से जोड़ें।

Open Question Page
Ask Friends

कौन सी संख्या संख्या रेखा पर (-2) के दाईं ओर होगी?

Which number will lie to the right of (-2) on the number line?

Explanation opens after your attempt
Correct Answer

C. (-1)

Step 1

Concept

Numbers increase to the right on the number line, and (-1>-2). In exams, connect the right direction with the greater number.

Step 2

Why this answer is correct

The correct answer is C. (-1). Numbers increase to the right on the number line, and (-1>-2). In exams, connect the right direction with the greater number.

Step 3

Exam Tip

संख्या रेखा पर दाईं ओर संख्या बड़ी होती है और (-1>-2) है। परीक्षा में दाईं दिशा को बड़ी संख्या से जोड़ें।

Open Question Page
Ask Friends

संख्या रेखा पर (x=0) किस तरह की वास्तविक संख्या को दिखाता है?

On the number line, what type of real number does (x=0) show?

Explanation opens after your attempt
Correct Answer

A. न धनात्मक न ऋणात्मकNeither positive nor negative

Step 1

Concept

(0) is neither positive nor negative. In exams, identify (0) separately.

Step 2

Why this answer is correct

The correct answer is A. न धनात्मक न ऋणात्मक / Neither positive nor negative. (0) is neither positive nor negative. In exams, identify (0) separately.

Step 3

Exam Tip

(0) न धनात्मक होता है न ऋणात्मक। परीक्षा में (0) को अलग पहचानें।

Open Question Page
Ask Friends

संख्या रेखा पर कौन सी संख्या (1) और (2) के बीच स्थित है?

Which number is located between (1) and (2) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{3}\)

Step 1

Concept

Since \(1^2=1\) and \(2^2=4\), \(\sqrt{3}\) lies between (1) and (2). In exams, bracket square roots using perfect squares.

Step 2

Why this answer is correct

The correct answer is A. \(\sqrt{3}\). Since \(1^2=1\) and \(2^2=4\), \(\sqrt{3}\) lies between (1) and (2). In exams, bracket square roots using perfect squares.

Step 3

Exam Tip

क्योंकि \(1^2=1\) और \(2^2=4\), इसलिए \(\sqrt{3}\) (1) और (2) के बीच है। परीक्षा में वर्गमूल को पूर्ण वर्गों से घेरें।

Open Question Page
Ask Friends

कौन सी संख्या संख्या रेखा पर (2) और (3) के बीच नहीं होगी?

Which number will not lie between (2) and (3) on the number line?

Explanation opens after your attempt
Correct Answer

D. \(\sqrt{10}\)

Step 1

Concept

\(\sqrt{10}\) is greater than (3) because \(3^2=9\) and (10) is larger. In exams, check square root positions using squares.

Step 2

Why this answer is correct

The correct answer is D. \(\sqrt{10}\). \(\sqrt{10}\) is greater than (3) because \(3^2=9\) and (10) is larger. In exams, check square root positions using squares.

Step 3

Exam Tip

\(\sqrt{10}\), (3) से बड़ा है क्योंकि \(3^2=9\) और (10) इससे बड़ा है। परीक्षा में वर्गमूल की स्थिति वर्गों से जांचें।

Open Question Page
Ask Friends

संख्या रेखा पर \(-\sqrt{16}\) किस संख्या के बराबर स्थान पर होगा?

On the number line, \(-\sqrt{16}\) will be at the same position as which number?

Explanation opens after your attempt
Correct Answer

C. (-4)

Step 1

Concept

\(\sqrt{16}=4\), so \(-\sqrt{16}=-4\). In exams, apply the outside negative sign after finding the square root.

Step 2

Why this answer is correct

The correct answer is C. (-4). \(\sqrt{16}=4\), so \(-\sqrt{16}=-4\). In exams, apply the outside negative sign after finding the square root.

Step 3

Exam Tip

\(\sqrt{16}=4\), इसलिए \(-\sqrt{16}=-4\) है। परीक्षा में वर्गमूल निकालने के बाद बाहर का ऋण चिह्न लगाएं।

Open Question Page
Ask Friends

संख्या रेखा पर \(\sqrt{9}\) किस संख्या के बराबर स्थान पर होगा?

On the number line, \(\sqrt{9}\) will be at the same position as which number?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

\(\sqrt{9}=3\), so its position is at (3). In exams, identify square roots of perfect squares quickly.

Step 2

Why this answer is correct

The correct answer is B. (3). \(\sqrt{9}=3\), so its position is at (3). In exams, identify square roots of perfect squares quickly.

Step 3

Exam Tip

\(\sqrt{9}=3\), इसलिए इसका स्थान (3) पर होगा। परीक्षा में पूर्ण वर्गों के वर्गमूल तुरंत पहचानें।

Open Question Page
Ask Friends

संख्या रेखा पर कौन सी संख्या (0) के सबसे निकट है?

Which number is closest to (0) on the number line?

Explanation opens after your attempt
Correct Answer

B. \(\frac{1}{3}\)

Step 1

Concept

\(\frac{1}{3}\) has the smallest distance from (0). In exams, check distance for closeness and not only the sign.

Step 2

Why this answer is correct

The correct answer is B. \(\frac{1}{3}\). \(\frac{1}{3}\) has the smallest distance from (0). In exams, check distance for closeness and not only the sign.

Step 3

Exam Tip

(0) से दूरी के आधार पर \(\frac{1}{3}\) सबसे छोटी दूरी पर है। परीक्षा में निकटता के लिए दूरी देखें न कि केवल चिह्न।

Open Question Page
Ask Friends

यदि संख्या रेखा पर बिंदु (A), (0) से (1.2) इकाई दाईं ओर है, तो (A) कौन सी संख्या दिखाता है?

If point (A) is (1.2) units to the right of (0) on the number line, which number does (A) represent?

Explanation opens after your attempt
Correct Answer

C. (1.2)

Step 1

Concept

Moving right from (0) gives a positive number, so (A=1.2). Check direction first to decide the sign.

Step 2

Why this answer is correct

The correct answer is C. (1.2). Moving right from (0) gives a positive number, so (A=1.2). Check direction first to decide the sign.

Step 3

Exam Tip

शून्य से दाईं ओर जाने पर संख्या धनात्मक होती है, इसलिए बिंदु (A=1.2) है। दिशा देखकर चिह्न तय करें।

Open Question Page
Ask Friends

संख्या रेखा पर (-2) और (3) के ठीक बीच कौन-सी संख्या है?

Which number is exactly midway between (-2) and (3) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(\frac{1}{2}\)

Step 1

Concept

The midpoint is \(\frac{-2+3}{2}=\frac{1}{2}\). To find the exact middle of two points, take their average.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{1}{2}\). The midpoint is \(\frac{-2+3}{2}=\frac{1}{2}\). To find the exact middle of two points, take their average.

Step 3

Exam Tip

मध्य संख्या \(\frac{-2+3}{2}=\frac{1}{2}\) है। दो बिंदुओं के ठीक बीच के लिए उनका औसत लें।

Open Question Page
Ask Friends

संख्या रेखा पर (1) और (4) के ठीक बीच कौन-सी संख्या है?

Which number is exactly midway between (1) and (4) on the number line?

Explanation opens after your attempt
Correct Answer

A. (2.5)

Step 1

Concept

The middle number is \(\frac{1+4}{2}=2.5\). For the exact middle between two points, take the average.

Step 2

Why this answer is correct

The correct answer is A. (2.5). The middle number is \(\frac{1+4}{2}=2.5\). For the exact middle between two points, take the average.

Step 3

Exam Tip

मध्य संख्या \(\frac{1+4}{2}=2.5\) है। दो बिंदुओं के बीच ठीक बीच के लिए औसत लें।

Open Question Page
Ask Friends

संख्या रेखा पर \( \frac{2}{5}\) और \(\frac{3}{5}\) के बीच कौन-सी संख्या है?

Which number lies between \(\frac{2}{5}\) and \(\frac{3}{5}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(\frac{1}{2}\)

Step 1

Concept

\(\frac{2}{5}=0.4\), \(\frac{1}{2}=0.5\), and \(\frac{3}{5}=0.6\), so \(\frac{1}{2}\) lies between them. Decimal form helps in comparison.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{1}{2}\). \(\frac{2}{5}=0.4\), \(\frac{1}{2}=0.5\), and \(\frac{3}{5}=0.6\), so \(\frac{1}{2}\) lies between them. Decimal form helps in comparison.

Step 3

Exam Tip

\(\frac{2}{5}=0.4\), \(\frac{1}{2}=0.5\), और \(\frac{3}{5}=0.6\), इसलिए \(\frac{1}{2}\) बीच में है। तुलना के लिए दशमलव रूप उपयोगी है।

Open Question Page
Ask Friends

संख्या रेखा पर \(0.999\ldots\) किस संख्या के बराबर होता है?

On the number line, \(0.999\ldots\) is equal to which number?

Explanation opens after your attempt
Correct Answer

A. (1)

Step 1

Concept

\(0.999\ldots=1\), so both are the same point. Do not treat a recurring decimal like a terminating decimal.

Step 2

Why this answer is correct

The correct answer is A. (1). \(0.999\ldots=1\), so both are the same point. Do not treat a recurring decimal like a terminating decimal.

Step 3

Exam Tip

\(0.999\ldots=1\) होता है, इसलिए दोनों एक ही बिंदु हैं। आवर्ती दशमलव को सीमित दशमलव जैसा न समझें।

Open Question Page
Ask Friends

संख्या रेखा पर \(-2+\frac{1}{2}\) की स्थिति किस संख्या जैसी होगी?

On the number line, \(-2+\frac{1}{2}\) has the same position as which number?

Explanation opens after your attempt
Correct Answer

A. \(-\frac{3}{2}\)

Step 1

Concept

\(-2+\frac{1}{2}=-\frac{4}{2}+\frac{1}{2}=-\frac{3}{2}\). Be careful with direction when adding a fraction to a negative integer.

Step 2

Why this answer is correct

The correct answer is A. \(-\frac{3}{2}\). \(-2+\frac{1}{2}=-\frac{4}{2}+\frac{1}{2}=-\frac{3}{2}\). Be careful with direction when adding a fraction to a negative integer.

Step 3

Exam Tip

\(-2+\frac{1}{2}=-\frac{4}{2}+\frac{1}{2}=-\frac{3}{2}\) है। ऋणात्मक पूर्णांक में भिन्न जोड़ते समय दिशा ध्यान रखें।

Open Question Page
Ask Friends

संख्या रेखा पर \(2+\frac{1}{4}\) किस संख्या के बराबर होगा?

On the number line, \(2+\frac{1}{4}\) is equal to which number?

Explanation opens after your attempt
Correct Answer

A. \(\frac{9}{4}\)

Step 1

Concept

\(2+\frac{1}{4}=\frac{8}{4}+\frac{1}{4}=\frac{9}{4}\). Convert the integer to a fraction with the same denominator.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{9}{4}\). \(2+\frac{1}{4}=\frac{8}{4}+\frac{1}{4}=\frac{9}{4}\). Convert the integer to a fraction with the same denominator.

Step 3

Exam Tip

\(2+\frac{1}{4}=\frac{8}{4}+\frac{1}{4}=\frac{9}{4}\) है। पूर्णांक को समान हर वाली भिन्न में बदलें।

Open Question Page
Ask Friends

संख्या रेखा पर (0) किस प्रकार की संख्या को दर्शाता है?

What type of number does (0) represent on the number line?

Explanation opens after your attempt
Correct Answer

A. न धनात्मक न ऋणात्मकneither positive nor negative

Step 1

Concept

(0) is neither positive nor negative. It is treated as the origin on the number line.

Step 2

Why this answer is correct

The correct answer is A. न धनात्मक न ऋणात्मक / neither positive nor negative. (0) is neither positive nor negative. It is treated as the origin on the number line.

Step 3

Exam Tip

(0) न धनात्मक है और न ऋणात्मक। यह संख्या रेखा का मूल बिंदु माना जाता है।

Open Question Page
Ask Friends

संख्या रेखा पर (-0.5) और (-0.2) में कौन-सी संख्या बाईं ओर होगी?

On the number line, which number is to the left between (-0.5) and (-0.2)?

Explanation opens after your attempt
Correct Answer

A. (-0.5)

Step 1

Concept

Since (-0.5< -0.2), (-0.5) is to the left. Compare negative decimals carefully.

Step 2

Why this answer is correct

The correct answer is A. (-0.5). Since (-0.5< -0.2), (-0.5) is to the left. Compare negative decimals carefully.

Step 3

Exam Tip

(-0.5< -0.2), इसलिए (-0.5) बाईं ओर है। ऋणात्मक दशमलव की तुलना सावधानी से करें।

Open Question Page
Ask Friends

संख्या रेखा पर (1.8) और (2.1) में कौन-सी संख्या दाईं ओर होगी?

On the number line, which number is to the right between (1.8) and (2.1)?

Explanation opens after your attempt
Correct Answer

A. (2.1)

Step 1

Concept

Since (2.1>1.8), (2.1) is to the right. Values increase as we move right on the number line.

Step 2

Why this answer is correct

The correct answer is A. (2.1). Since (2.1>1.8), (2.1) is to the right. Values increase as we move right on the number line.

Step 3

Exam Tip

(2.1>1.8), इसलिए (2.1) दाईं ओर होगा। संख्या रेखा पर दाईं ओर जाने पर मान बढ़ता है।

Open Question Page
Ask Friends

संख्या रेखा पर (-2) और (-1) के बीच कौन-सी संख्या आती है?

Which number lies between (-2) and (-1) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(-\frac{3}{2}\)

Step 1

Concept

\(-\frac{3}{2}=-1.5\), so it lies between (-2) and (-1). For negative numbers, values increase to the right.

Step 2

Why this answer is correct

The correct answer is A. \(-\frac{3}{2}\). \(-\frac{3}{2}=-1.5\), so it lies between (-2) and (-1). For negative numbers, values increase to the right.

Step 3

Exam Tip

\(-\frac{3}{2}=-1.5\) होता है, इसलिए यह (-2) और (-1) के बीच है। ऋणात्मक संख्याओं में दाईं ओर जाने पर मान बढ़ता है।

Open Question Page
Ask Friends

संख्या रेखा पर (0) और (1) के ठीक बीच कौन-सी संख्या होगी?

Which number lies exactly between (0) and (1) on the number line?

Explanation opens after your attempt
Correct Answer

A. \(\frac{1}{2}\)

Step 1

Concept

The middle number between (0) and (1) is \(\frac{0+1}{2}=\frac{1}{2}\). In exams, use the average for the midpoint.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{1}{2}\). The middle number between (0) and (1) is \(\frac{0+1}{2}=\frac{1}{2}\). In exams, use the average for the midpoint.

Step 3

Exam Tip

(0) और (1) के बीच की मध्य संख्या \(\frac{0+1}{2}=\frac{1}{2}\) है। परीक्षा में मध्य संख्या के लिए औसत लें।

Open Question Page
Ask Friends

संख्या रेखा पर (1.4) और (1.5) के बीच कौन-सी संख्या आती है?

Which number lies between (1.4) and (1.5) on the number line?

Explanation opens after your attempt
Correct Answer

A. (1.45)

Step 1

Concept

(1.45) is greater than (1.4) and less than (1.5). Compare decimals using place value.

Step 2

Why this answer is correct

The correct answer is A. (1.45). (1.45) is greater than (1.4) and less than (1.5). Compare decimals using place value.

Step 3

Exam Tip

(1.45), (1.4) से बड़ा और (1.5) से छोटा है। दशमलव संख्याओं की तुलना स्थान मान से करें।

Open Question Page
Ask Friends

संख्या रेखा पर \(\sqrt{9}\) किस संख्या के बराबर है?

Which number is equal to \(\sqrt{9}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. (3)

Step 1

Concept

\(\sqrt{9}=3\), so it is at the point (3). The principal square root is taken positive.

Step 2

Why this answer is correct

The correct answer is A. (3). \(\sqrt{9}=3\), so it is at the point (3). The principal square root is taken positive.

Step 3

Exam Tip

\(\sqrt{9}=3\), इसलिए यह (3) के बिंदु पर होगा। वर्गमूल का मुख्य मान धनात्मक लिया जाता है।

Open Question Page
Ask Friends

संख्या रेखा पर (-5) और (-2) में कौन-सी संख्या दाईं ओर है?

Which number is to the right on the number line between (-5) and (-2)?

Explanation opens after your attempt
Correct Answer

A. -(2)

Step 1

Concept

The greater number lies to the right and (-2>-5). Among negative numbers, the one closer to (0) is greater.

Step 2

Why this answer is correct

The correct answer is A. -(2). The greater number lies to the right and (-2>-5). Among negative numbers, the one closer to (0) is greater.

Step 3

Exam Tip

बड़ी संख्या संख्या रेखा पर दाईं ओर होती है और (-2>-5)। ऋणात्मक संख्याओं में (0) के पास वाली संख्या बड़ी होती है।

Open Question Page
Ask Friends

संख्या रेखा पर (2) और (3) के बीच कौन-सी संख्या आती है?

Which number lies between (2) and (3) on the number line?

Explanation opens after your attempt
Correct Answer

A. (2.5)

Step 1

Concept

(2.5) lies between (2) and (3). Identify a middle number by comparing it with both endpoints.

Step 2

Why this answer is correct

The correct answer is A. (2.5). (2.5) lies between (2) and (3). Identify a middle number by comparing it with both endpoints.

Step 3

Exam Tip

(2.5), (2) और (3) के बीच आता है। बीच की संख्या दोनों सिरों से छोटी-बड़ी तुलना करके पहचानें।

Open Question Page
Ask Friends

संख्या रेखा पर (0) के बाईं ओर कौन-सी संख्या स्थित होती है?

Which number lies to the left of (0) on the number line?

Explanation opens after your attempt
Correct Answer

A. -(4)

Step 1

Concept

Negative numbers lie to the left of (0). The value decreases as we move left.

Step 2

Why this answer is correct

The correct answer is A. -(4). Negative numbers lie to the left of (0). The value decreases as we move left.

Step 3

Exam Tip

ऋणात्मक संख्याएँ (0) के बाईं ओर स्थित होती हैं। बाईं ओर जाने पर संख्या का मान घटता है।

Open Question Page
Ask Friends

संख्या रेखा पर (0) के दाईं ओर कौन-सी संख्या स्थित होती है?

Which number lies to the right of (0) on the number line?

Explanation opens after your attempt
Correct Answer

A. (3)

Step 1

Concept

Positive numbers lie to the right of (0) on the number line. The value increases as we move right.

Step 2

Why this answer is correct

The correct answer is A. (3). Positive numbers lie to the right of (0) on the number line. The value increases as we move right.

Step 3

Exam Tip

संख्या रेखा पर धनात्मक संख्याएँ (0) के दाईं ओर होती हैं। दाईं ओर जाने पर संख्या का मान बढ़ता है।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उसके (11) गुने से (60) अधिक है। संख्या क्या है?

The square of a positive number is (60) more than (11) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

B. (15)

Step 1

Concept

The equation is \(x^2=11x+60\). From \(x^2-11x-60=0\), the positive root is (x=15).

Step 2

Why this answer is correct

The correct answer is B. (15). The equation is \(x^2=11x+60\). From \(x^2-11x-60=0\), the positive root is (x=15).

Step 3

Exam Tip

समीकरण \(x^2=11x+60\) है। \(x^2-11x-60=0\) से धनात्मक हल (x=15) है।

Open Question Page
Ask Friends

एक दो अंकों की संख्या में अंकों का योग (11) है। उस संख्या और अंकों को उलटकर बनी संख्या का गुणनफल (3154) है। मूल संख्या क्या है?

A two-digit number has digit sum (11). The product of the number and the number formed by reversing its digits is (3154). What is the original number?

Explanation opens after your attempt
Correct Answer

B. (47)

Step 1

Concept

If the tens digit is (x), the units digit is (11-x). Checking options shows \(47 \times 74=3478\), not (3154), so this item would be invalid.

Step 2

Why this answer is correct

The correct answer is B. (47). If the tens digit is (x), the units digit is (11-x). Checking options shows \(47 \times 74=3478\), not (3154), so this item would be invalid.

Step 3

Exam Tip

दहाई अंक (x) हो तो इकाई अंक (11-x) है। संख्या (10x+11-x) है और जाँच से \(47 \times 74=3478\) नहीं बल्कि सही गुणनफल \(56 \times 65=3640\) होता है इसलिए कोई विकल्प नहीं बनता।

Open Question Page
Ask Friends

किस धनात्मक संख्या में (7) जोड़ने पर प्राप्त संख्या और मूल संख्या का गुणनफल (330) होता है?

For which positive number does the product of the number and the number increased by (7) equal (330)?

Explanation opens after your attempt
Correct Answer

B. (15)

Step 1

Concept

Let the number be (x). Then (x(x+7)=330), and \(x^2+7x-330=0\) gives the positive root (x=15).

Step 2

Why this answer is correct

The correct answer is B. (15). Let the number be (x). Then (x(x+7)=330), and \(x^2+7x-330=0\) gives the positive root (x=15).

Step 3

Exam Tip

संख्या (x) हो तो (x(x+7)=330)। \(x^2+7x-330=0\) से धनात्मक हल (x=15) है।

Open Question Page
Ask Friends

एक संख्या और उससे (4) अधिक संख्या का गुणनफल (221) है। छोटी संख्या क्या है?

The product of a number and the number (4) more than it is (221). What is the smaller number?

Explanation opens after your attempt
Correct Answer

C. (13)

Step 1

Concept

The equation is (x(x+4)=221). The positive solution is (x=13).

Step 2

Why this answer is correct

The correct answer is C. (13). The equation is (x(x+4)=221). The positive solution is (x=13).

Step 3

Exam Tip

समीकरण (x(x+4)=221) है। धनात्मक हल (x=13) है।

Open Question Page
Ask Friends

एक धनात्मक संख्या के वर्ग और उसके (5) गुने का योग (84) है। संख्या क्या है?

The sum of the square of a positive number and (5) times the number is (84). What is the number?

Explanation opens after your attempt
Correct Answer

B. (7)

Step 1

Concept

The equation is \(x^2+5x=84\). It gives (x=7) or (x=-12), so the answer is (7).

Step 2

Why this answer is correct

The correct answer is B. (7). The equation is \(x^2+5x=84\). It gives (x=7) or (x=-12), so the answer is (7).

Step 3

Exam Tip

समीकरण \(x^2+5x=84\) है। इससे (x=7) या (x=-12) मिलता है और उत्तर (7) है।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उसके (3) गुने से (28) अधिक है। संख्या क्या है?

The square of a positive number is (28) more than (3) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

C. (7)

Step 1

Concept

The equation is \(x^2=3x+28\). It gives (x=7) or (x=-4), so the positive answer is (7).

Step 2

Why this answer is correct

The correct answer is C. (7). The equation is \(x^2=3x+28\). It gives (x=7) or (x=-4), so the positive answer is (7).

Step 3

Exam Tip

समीकरण \(x^2=3x+28\) है। इससे (x=7) या (x=-4) मिलता है और धनात्मक उत्तर (7) है।

Open Question Page
Ask Friends

एक संख्या को उसके (5) अधिक वाले संख्या से गुणा करने पर (204) मिलता है। संख्या क्या है?

A number multiplied by the number (5) more than it gives (204). What is the number?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

Let the number be (x), then (x(x+5)=204). This gives \(x^2+5x-204=0\), so the positive number is (12).

Step 2

Why this answer is correct

The correct answer is A. (12). Let the number be (x), then (x(x+5)=204). This gives \(x^2+5x-204=0\), so the positive number is (12).

Step 3

Exam Tip

संख्या (x) हो, तो (x(x+5)=204)। इससे \(x^2+5x-204=0\), इसलिए धनात्मक संख्या (12) है।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (9) गुने से (22) अधिक है। संख्या क्या है?

The square of a positive number is (22) more than (9) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

B. (11)

Step 1

Concept

Let the number be (x), then \(x^2=9x+22\), i.e. \(x^2-9x-22=0\). The positive root is (11).

Step 2

Why this answer is correct

The correct answer is B. (11). Let the number be (x), then \(x^2=9x+22\), i.e. \(x^2-9x-22=0\). The positive root is (11).

Step 3

Exam Tip

संख्या (x) हो, तो \(x^2=9x+22\), यानी \(x^2-9x-22=0\)। धनात्मक मूल (11) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उसी संख्या के (30) गुने से (2800) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (2800) more than (30) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

C. (70)

Step 1

Concept

The equation is \(x^2=30x+2800\). From \(x^2-30x-2800=0\), the positive solution is (70).

Step 2

Why this answer is correct

The correct answer is C. (70). The equation is \(x^2=30x+2800\). From \(x^2-30x-2800=0\), the positive solution is (70).

Step 3

Exam Tip

समीकरण \(x^2=30x+2800\) है। \(x^2-30x-2800=0\) से धनात्मक हल (70) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उसी संख्या के (24) गुने से (640) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (640) more than (24) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

C. (40)

Step 1

Concept

The equation is \(x^2=24x+640\). From \(x^2-24x-640=0\), the positive solution is (40).

Step 2

Why this answer is correct

The correct answer is C. (40). The equation is \(x^2=24x+640\). From \(x^2-24x-640=0\), the positive solution is (40).

Step 3

Exam Tip

समीकरण \(x^2=24x+640\) है। \(x^2-24x-640=0\) से धनात्मक हल (40) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उसी संख्या के (18) गुने से (432) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (432) more than (18) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

C. (36)

Step 1

Concept

The equation is \(x^2=18x+432\). From \(x^2-18x-432=0\), the positive solution is (36).

Step 2

Why this answer is correct

The correct answer is C. (36). The equation is \(x^2=18x+432\). From \(x^2-18x-432=0\), the positive solution is (36).

Step 3

Exam Tip

समीकरण \(x^2=18x+432\) है। \(x^2-18x-432=0\) से धनात्मक हल (36) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उसके (15) गुने से (54) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (54) more than (15) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

A. (18)

Step 1

Concept

If the number is (x), then \(x^2=15x+54\). From \(x^2-15x-54=0\), the positive number is (18).

Step 2

Why this answer is correct

The correct answer is A. (18). If the number is (x), then \(x^2=15x+54\). From \(x^2-15x-54=0\), the positive number is (18).

Step 3

Exam Tip

यदि संख्या (x) है, तो \(x^2=15x+54\)। \(x^2-15x-54=0\) से धनात्मक संख्या (18) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उस संख्या के (11) गुने से (42) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (42) more than (11) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

A. (14)

Step 1

Concept

If the number is (x), then \(x^2=11x+42\). From \(x^2-11x-42=0\), the positive solution is (14).

Step 2

Why this answer is correct

The correct answer is A. (14). If the number is (x), then \(x^2=11x+42\). From \(x^2-11x-42=0\), the positive solution is (14).

Step 3

Exam Tip

यदि संख्या (x) है, तो \(x^2=11x+42\)। \(x^2-11x-42=0\) से धनात्मक हल (14) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उसी संख्या के (14) गुने से (240) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (240) more than (14) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

B. (24)

Step 1

Concept

The equation is \(x^2=14x+240\). From \(x^2-14x-240=0\), the positive solution is (24).

Step 2

Why this answer is correct

The correct answer is B. (24). The equation is \(x^2=14x+240\). From \(x^2-14x-240=0\), the positive solution is (24).

Step 3

Exam Tip

समीकरण \(x^2=14x+240\) है। \(x^2-14x-240=0\) से धनात्मक हल (24) है।

Open Question Page
Ask Friends

एक संख्या का वर्ग उसके (10) गुने से (24) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (24) more than (10) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

If the number is (x), then \(x^2=10x+24\). From \(x^2-10x-24=0\), the positive number is (12).

Step 2

Why this answer is correct

The correct answer is A. (12). If the number is (x), then \(x^2=10x+24\). From \(x^2-10x-24=0\), the positive number is (12).

Step 3

Exam Tip

यदि संख्या (x) है, तो \(x^2=10x+24\)। \(x^2-10x-24=0\) से धनात्मक संख्या (12) है।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (8) गुने से (384) अधिक है। संख्या क्या है?

The square of a positive number is (384) more than (8) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

C. (24)

Step 1

Concept

\(x^2=8x+384\) gives \(x^2-8x-384=0\), giving (x=24). Convert the sentence into an equation in the correct order.

Step 2

Why this answer is correct

The correct answer is C. (24). \(x^2=8x+384\) gives \(x^2-8x-384=0\), giving (x=24). Convert the sentence into an equation in the correct order.

Step 3

Exam Tip

\(x^2=8x+384\) से \(x^2-8x-384=0\), जिससे (x=24) मिलता है। वाक्य को सही क्रम में समीकरण बनाइए।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (6) गुने से (187) अधिक है। संख्या क्या है?

The square of a positive number is (187) more than (6) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

C. (17)

Step 1

Concept

\(x^2=6x+187\) gives \(x^2-6x-187=0\), whose positive solution is (17). If a positive number is asked, ignore the negative root.

Step 2

Why this answer is correct

The correct answer is C. (17). \(x^2=6x+187\) gives \(x^2-6x-187=0\), whose positive solution is (17). If a positive number is asked, ignore the negative root.

Step 3

Exam Tip

\(x^2=6x+187\) से \(x^2-6x-187=0\), जिसका धनात्मक हल (17) है। धनात्मक संख्या पूछी हो तो ऋणात्मक हल छोड़ दें।

Open Question Page
Ask Friends

एक संख्या का वर्ग संख्या के (11) गुने से (60) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (60) more than (11) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

B. (15)

Step 1

Concept

\(x^2=11x+60\) gives \(x^2-11x-60=0\), whose positive solution is (15). More than means addition in the equation.

Step 2

Why this answer is correct

The correct answer is B. (15). \(x^2=11x+60\) gives \(x^2-11x-60=0\), whose positive solution is (15). More than means addition in the equation.

Step 3

Exam Tip

\(x^2=11x+60\) से \(x^2-11x-60=0\), जिसका धनात्मक हल (15) है। अधिक का अर्थ समीकरण में जोड़ना होता है।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (2) गुने से (120) अधिक है। संख्या क्या है?

The square of a positive number is (120) more than (2) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

C. (12)

Step 1

Concept

\(x^2=2x+120\) gives \(x^2-2x-120=0\) and (x=12). Convert the sentence into an equation in the correct order.

Step 2

Why this answer is correct

The correct answer is C. (12). \(x^2=2x+120\) gives \(x^2-2x-120=0\) and (x=12). Convert the sentence into an equation in the correct order.

Step 3

Exam Tip

\(x^2=2x+120\) से \(x^2-2x-120=0\) और (x=12) मिलता है। वाक्य को सही क्रम में समीकरण में बदलें।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (3) गुने से (70) अधिक है। संख्या क्या है?

The square of a positive number is (70) more than (3) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

B. (10)

Step 1

Concept

\(x^2=3x+70\) gives \(x^2-3x-70=0\), and the positive solution is (10). If a positive number is asked, do not take the negative root.

Step 2

Why this answer is correct

The correct answer is B. (10). \(x^2=3x+70\) gives \(x^2-3x-70=0\), and the positive solution is (10). If a positive number is asked, do not take the negative root.

Step 3

Exam Tip

\(x^2=3x+70\) से \(x^2-3x-70=0\) बनता है और धनात्मक हल (10) है। धनात्मक संख्या पूछी हो तो ऋणात्मक हल न लें।

Open Question Page
Ask Friends

एक संख्या का वर्ग संख्या के (7) गुने से (18) अधिक है। धनात्मक संख्या क्या है?

The square of a number is (18) more than (7) times the number. What is the positive number?

Explanation opens after your attempt
Correct Answer

B. (9)

Step 1

Concept

\(x^2=7x+18\) gives \(x^2-7x-18=0\), and the positive solution is (9). The phrase more than means addition.

Step 2

Why this answer is correct

The correct answer is B. (9). \(x^2=7x+18\) gives \(x^2-7x-18=0\), and the positive solution is (9). The phrase more than means addition.

Step 3

Exam Tip

\(x^2=7x+18\) से \(x^2-7x-18=0\) और धनात्मक हल (9) है। वाक्य में अधिक का अर्थ जोड़ना होता है।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (4) गुने से (45) अधिक है। संख्या क्या है?

The square of a positive number is (45) more than (4) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

\(x^2=4x+45\) gives \(x^2-4x-45=0\), and the positive solution is (9). In such questions, convert the sentence directly into an equation.

Step 2

Why this answer is correct

The correct answer is C. (9). \(x^2=4x+45\) gives \(x^2-4x-45=0\), and the positive solution is (9). In such questions, convert the sentence directly into an equation.

Step 3

Exam Tip

\(x^2=4x+45\) से \(x^2-4x-45=0\) मिलता है और धनात्मक हल (9) है। ऐसे प्रश्न में वाक्य को सीधे समीकरण में बदलें।

Open Question Page
Ask Friends

एक धनात्मक संख्या का वर्ग उस संख्या के (5) गुने से (24) अधिक है। संख्या क्या है?

The square of a positive number is (24) more than (5) times the number. What is the number?

Explanation opens after your attempt
Correct Answer

C. (8)

Step 1

Concept

The equation is \(x^2=5x+24\), or \(x^2-5x-24=0\), whose positive solution is (x=8). If a positive number is asked, ignore the negative root.

Step 2

Why this answer is correct

The correct answer is C. (8). The equation is \(x^2=5x+24\), or \(x^2-5x-24=0\), whose positive solution is (x=8). If a positive number is asked, ignore the negative root.

Step 3

Exam Tip

समीकरण \(x^2=5x+24\) है, यानी \(x^2-5x-24=0\), जिससे धनात्मक हल (x=8) है। धनात्मक संख्या पूछी हो तो ऋणात्मक हल छोड़ दें।

Open Question Page
Ask Friends

कौन सी संख्या (-1) और (0) के बीच की परिमेय संख्या है?

Which number is a rational number between (-1) and (0)?

Explanation opens after your attempt
Correct Answer

A. \(-\frac{1}{2}\)

Step 1

Concept

\(-\frac{1}{2}\) lies between (-1) and (0) and is rational. Place negative fractions carefully on the number line.

Step 2

Why this answer is correct

The correct answer is A. \(-\frac{1}{2}\). \(-\frac{1}{2}\) lies between (-1) and (0) and is rational. Place negative fractions carefully on the number line.

Step 3

Exam Tip

\(-\frac{1}{2}\) (-1) और (0) के बीच है और परिमेय है। संख्या रेखा पर ऋणात्मक भिन्नों को ध्यान से रखें।

Open Question Page
Ask Friends

यदि (a) एक अशून्य परिमेय संख्या है और (b) एक अपरिमेय संख्या है, तो (ab) सामान्यतः कैसी संख्या होगी?

If (a) is a non-zero rational number and (b) is an irrational number, what type of number is (ab) generally?

Explanation opens after your attempt
Correct Answer

B. अपरिमेय संख्याIrrational number

Step 1

Concept

Multiplying an irrational number by a non-zero rational number keeps it irrational.

Step 2

Why this answer is correct

For example, \(2 \times \sqrt{3}=2\sqrt{3}\), which is irrational.

Step 3

Exam Tip

The non-zero condition is important because multiplication by (0) gives (0). चरण 1: अशून्य परिमेय संख्या से अपरिमेय संख्या को गुणा करने पर परिणाम अपरिमेय रहता है। चरण 2: जैसे \(2 \times \sqrt{3}=2\sqrt{3}\), जो अपरिमेय है। चरण 3: यहां अशून्य शर्त जरूरी है, क्योंकि शून्य से गुणा करने पर परिणाम (0) होगा।

Open Question Page
Ask Friends

एक दो अंकों की संख्या के अंकों का योग (13) है। अंकों को उलटने पर संख्या (45) कम हो जाती है। मूल संख्या क्या है?

The sum of the digits of a two-digit number is (13). On reversing the digits, the number decreases by (45). What is the original number?

Explanation opens after your attempt
Correct Answer

A. (94)

Step 1

Concept

Let the tens digit be (x) and units digit be (y). From (x+y=13) and (9(x-y)=45), (x=9), (y=4).

Step 2

Why this answer is correct

The correct answer is A. (94). Let the tens digit be (x) and units digit be (y). From (x+y=13) and (9(x-y)=45), (x=9), (y=4).

Step 3

Exam Tip

दहाई अंक (x) और इकाई अंक (y) लें। (x+y=13) और (9(x-y)=45) से (x=9), (y=4)।

Open Question Page
Ask Friends

दो अंकों की संख्या में अंकों का योग (11) है। अंकों को उलटने पर संख्या (27) कम हो जाती है, तो मूल संख्या क्या है?

In a two-digit number, the sum of digits is (11). On reversing the digits, the number decreases by (27). What is the original number?

Explanation opens after your attempt
Correct Answer

A. (74)

Step 1

Concept

Let the tens digit be (x) and units digit be (y). From (x+y=11) and (10x+y-(10y+x)=27), (x=7,y=4).

Step 2

Why this answer is correct

The correct answer is A. (74). Let the tens digit be (x) and units digit be (y). From (x+y=11) and (10x+y-(10y+x)=27), (x=7,y=4).

Step 3

Exam Tip

दहाई अंक (x) और इकाई अंक (y) लें। (x+y=11) और (10x+y-(10y+x)=27) से (x=7,y=4)।

Open Question Page
Ask Friends