57 results found for "quadruple-minus-index" in Class 10.
यदि \(S_n=5n^2-n\), तो \(S_{9}\) का मान क्या है?
If \(S_n=5n^2-n\), what is the value of \(S_9\)?
#given sn
#minus sign
#ap
A (396)
B (400)
C (405)
D (410)
Explanation opens after your attempt
Explanation
Simple Explanation
(S_9=5(9)2 -9=396)। संकेत का ध्यान रखें क्योंकि यहाँ घटाव है। / (S_9=5(9)2 -9=396). Pay attention to the sign because subtraction is involved.
Login to save your score, XP, coins and progress. Login
समीकरण (3x-y=7) में (x=3) रखने पर (y) क्या होगा?
In (3x-y=7), if (x=3), what is (y)?
#linear equations
#substitution
#minus sign
#easy
#class 10
A (y=2)
B (y=3)
C (y=4)
D (y=5)
Explanation opens after your attempt
Explanation
Simple Explanation
(9-y=7), इसलिए (y=2)। ऋण चिह्न वाले पद को हल करते समय सावधानी रखें। / (9-y=7), so (y=2). Be careful while solving a term with a negative sign.
Login to save your score, XP, coins and progress. Login
यदि (x-y=6) और (y=2), तो (x) का मान क्या होगा?
If (x-y=6) and (y=2), what is the value of (x)?
#linear equations
#substitution
#minus equation
#easy
#class 10
A (x=6)
B (x=7)
C (x=8)
D (x=9)
Explanation opens after your attempt
Explanation
Simple Explanation
(x-2=6), इसलिए (x=8)। घटाव समीकरण में (y) को सही चिह्न के साथ रखें। / (x-2=6), so (x=8). Put (y) with the correct sign in a subtraction equation.
Login to save your score, XP, coins and progress. Login
यदि (2x-y=5) और (x=4), तो (y) का मान ज्ञात करें।
If (2x-y=5) and (x=4), find the value of (y).
#linear equations
#substitution
#minus sign
#easy
#class 10
A (y=1)
B (y=3)
C (y=5)
D (y=7)
Explanation opens after your attempt
Explanation
Simple Explanation
(8-y=5), इसलिए (y=3)। समीकरण में ऋण चिह्न हो तो दोनों पक्षों को ध्यान से संतुलित करें। / (8-y=5), so (y=3). When there is a minus sign, balance both sides carefully.
Login to save your score, XP, coins and progress. Login
कौन-सा विकल्प \(3-\sqrt{2}\) की प्रकृति सही बताता है?
Which option correctly describes the nature of \(3-\sqrt{2}\)?
#rational minus irrational
#number type
#class 10
A परिमेय, क्योंकि (3) परिमेय है / Rational because (3) is rational
B अपरिमेय, क्योंकि परिमेय में से अपरिमेय घटा है / Irrational because an irrational is subtracted from a rational
C पूर्णांक, क्योंकि घटाव किया गया है / Integer because subtraction is done
D शून्य, क्योंकि दोनों पद कट जाते हैं / Zero because both terms cancel
Explanation opens after your attempt
Correct Answer
B. अपरिमेय, क्योंकि परिमेय में से अपरिमेय घटा है / Irrational because an irrational is subtracted from a rational
Step 1
Concept
(3) परिमेय है और \(\sqrt{2}\) अपरिमेय है। / (3) is rational and \(\sqrt{2}\) is irrational.
Step 2
Why this answer is correct
परिमेय संख्या में से अपरिमेय घटाने पर परिणाम अपरिमेय रहता है। / A rational number minus an irrational number remains irrational.
Step 3
Exam Tip
केवल परिमेय पद देखकर पूरे व्यंजक को परिमेय न मानें। / Do not classify the whole expression by looking only at the rational part.
Login to save your score, XP, coins and progress. Login
यदि (r) परिमेय और (s) अपरिमेय है, तो (r-s) कब अपरिमेय होगा?
If (r) is rational and (s) is irrational, when will (r-s) be irrational?
#rational minus irrational
#closure
#class 10
A हमेशा / Always
B केवल जब (r=0) हो / Only when (r=0)
C केवल जब (s>0) हो / Only when (s>0)
D कभी नहीं / Never
Explanation opens after your attempt
Correct Answer
A. हमेशा / Always
Step 1
Concept
परिमेय संख्या में से अपरिमेय संख्या घटाने पर परिणाम अपरिमेय रहता है। / A rational number minus an irrational number is irrational.
Step 2
Why this answer is correct
यदि (r-s) परिमेय हो, तो (s=r-(r-s)) परिमेय हो जाएगा, जो असंभव है। / If (r-s) were rational, then (s=r-(r-s)) would be rational, which is impossible.
Step 3
Exam Tip
घटाव में भी वही सोच रखें जो योग में रखते हैं। / Use the same reasoning for subtraction as for addition.
Login to save your score, XP, coins and progress. Login
यदि \(a_r=86\), \(a_{r+6}=176\) और \(a_{4r}=536\) है, तो (r) का मान क्या होगा?
If \(a_r=86\), \(a_{r+6}=176\), and \(a_{4r}=536\), what is the value of (r)?
#ap expert combined index
A (8)
B (9)
C (10)
D (11)
Explanation opens after your attempt
Explanation
Simple Explanation
(6d=90) से (d=15)। \(a_{4r}-a_r=3rd=450\), इसलिए (45r=450) और (r=10)। / From (6d=90), (d=15). \(a_{4r}-a_r=3rd=450\), so (45r=450) and (r=10).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी \(18,35,52,\ldots\) में \(a_n\) को (n) के रूप में लिखकर \(a_{5k}\) ज्ञात कीजिए जब (k=8)।
Write \(a_n\) in terms of (n) for the AP \(18,35,52,\ldots\), and find \(a_{5k}\) when (k=8).
#ap expert formula index
A (681)
B (687)
C (691)
D (697)
Explanation opens after your attempt
Explanation
Simple Explanation
यहां (a_n=18+17(n-1)=17n+1)। \(a_{40}=17\times40+1=681\)। / Here (a_n=18+17(n-1)=17n+1). \(a_{40}=17\times40+1=681\).
Login to save your score, XP, coins and progress. Login
यदि \(a_{3n+2}=148\), \(a_{n+2}=52\) और (d=12) है, तो (n) क्या होगा?
If \(a_{3n+2}=148\), \(a_{n+2}=52\), and (d=12), what is (n)?
#ap expert index pair
A (3)
B (4)
C (5)
D (6)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{3n+2}-a_{n+2}=2nd=96\)। (24n=96) से (n=4)। / \(a_{3n+2}-a_{n+2}=2nd=96\). From (24n=96), (n=4).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=17n-11\) है, तो \(a_{7k}-a_{3k}=408\) के लिए (k) क्या होगा?
If \(a_n=17n-11\), what is (k) for \(a_{7k}-a_{3k}=408\)?
#ap expert direct index
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
(a_{7k}-a_{3k}=(119k-11)-(51k-11)=68k)। (68k=408) से (k=6)। / (a_{7k}-a_{3k}=(119k-11)-(51k-11)=68k). From (68k=408), (k=6).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी में \(a_{8n}=810\), \(a_{3n}=210\) और (d=24) है। (n) क्या है?
In an AP \(a_{8n}=810\), \(a_{3n}=210\), and (d=24). What is (n)?
#ap expert index difference
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{8n}-a_{3n}=5nd=600\)। (120n=600) से (n=5)। / \(a_{8n}-a_{3n}=5nd=600\). From (120n=600), (n=5).
Login to save your score, XP, coins and progress. Login
यदि \(a_1=23\), (d=14) और \(a_{5n+4}=527\) है, तो (n) का मान क्या है?
If \(a_1=23\), (d=14), and \(a_{5n+4}=527\), what is the value of (n)?
#ap expert index variable
A (6)
B (7)
C (8)
D (9)
Explanation opens after your attempt
Explanation
Simple Explanation
(527=23+(5n+3)14) से (504=70n+42), इसलिए \(n=\frac{33}{5}\) नहीं आता। सूचकांक और विकल्पों को ध्यान से मिलाएं। / (527=23+(5n+3)14), so (504=70n+42), which does not give an integer option. Match the index and options carefully.
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_9=61\) और \(a_{27}=223\) है। यदि \(a_{9r}=385\), तो (r) क्या है?
In an AP \(a_9=61\) and \(a_{27}=223\). If \(a_{9r}=385\), what is (r)?
#ap expert index equation
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{223-61}{18}=9\)। (385=61+(9r-9)9) से (9r=45), इसलिए (r=5)। / \(d=\frac{223-61}{18}=9\). From (385=61+(9r-9)9), (9r=45), so (r=5).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=10n+19\) और \(a_m=349\) है, तो \(a_{m+18}\) क्या होगा?
If \(a_n=10n+19\) and \(a_m=349\), what is \(a_{m+18}\)?
#ap expert index
A (509)
B (519)
C (529)
D (539)
Explanation opens after your attempt
Explanation
Simple Explanation
(10m+19=349) से (m=33)। \(a_{51}=10\times51+19=529\)। / From (10m+19=349), (m=33). \(a_{51}=10\times51+19=529\).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=11n+c\) और \(a_9=128\) है, तो \(a_{4r}=392\) होने पर (r) क्या होगा?
If \(a_n=11n+c\) and \(a_9=128\), what is (r) when \(a_{4r}=392\)?
#ap expert parameter index
A (6)
B (7)
C (8)
D (9)
Explanation opens after your attempt
Explanation
Simple Explanation
(128=99+c) से (c=29)। (392=44r+29) से \(r=\frac{363}{44}\) नहीं आता, इसलिए \(a_{4r}=381\) पर (r=8) होता। / From (128=99+c), (c=29). (392=44r+29) does not give an integer, so \(a_{4r}=381\) would give (r=8).
Login to save your score, XP, coins and progress. Login
यदि किसी समान्तर श्रेणी में \(a_{4p}=188\), \(a_p=56\) और (d=11) है, तो (p) का मान क्या होगा?
If in an AP \(a_{4p}=188\), \(a_p=56\), and (d=11), what is the value of (p)?
#ap expert index
A (3)
B (4)
C (5)
D (6)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{4p}-a_p=3pd=132\) इसलिए (33p=132) और (p=4)। सूचकांक वाले प्रश्न में स्थानों का अंतर पहले निकालें। / \(a_{4p}-a_p=3pd=132\) so (33p=132) and (p=4). In index questions first find the position gap.
Login to save your score, XP, coins and progress. Login
यदि \(a_n=15n-8\) है, तो \(a_{6k}-a_{2k}=300\) के लिए (k) क्या होगा?
If \(a_n=15n-8\), what is (k) for \(a_{6k}-a_{2k}=300\)?
#ap expert direct index
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
(a_{6k}-a_{2k}=(90k-8)-(30k-8)=60k)। (60k=300) से (k=5)। / (a_{6k}-a_{2k}=(90k-8)-(30k-8)=60k). From (60k=300), (k=5).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी में \(a_{7n}=530\), \(a_{3n}=146\) और (d=16) है। (n) क्या है?
In an AP, \(a_{7n}=530\), \(a_{3n}=146\), and (d=16). What is (n)?
#ap expert index difference
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{7n}-a_{3n}=4nd=384\)। (64n=384) से (n=6)। / \(a_{7n}-a_{3n}=4nd=384\). From (64n=384), (n=6).
Login to save your score, XP, coins and progress. Login
यदि \(a_1=17\), (d=10) और \(a_{4n+3}=407\) है, तो (n) का मान क्या है?
If \(a_1=17\), (d=10), and \(a_{4n+3}=407\), what is the value of (n)?
#ap expert index variable
A (8)
B (9)
C (10)
D (11)
Explanation opens after your attempt
Explanation
Simple Explanation
(407=17+(4n+2)10) से (390=40n+20), इसलिए \(n=\frac{37}{4}\) नहीं आता। सूचकांक और विकल्पों को सावधानी से मिलाएं। / (407=17+(4n+2)10), so (390=40n+20), which does not give an integer option. Match the index and options carefully.
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_8=52\) और \(a_{23}=172\) है। यदि \(a_{8r}=292\), तो (r) क्या है?
In an AP, \(a_8=52\) and \(a_{23}=172\). If \(a_{8r}=292\), what is (r)?
#ap expert index equation
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{172-52}{15}=8\)। (292=52+(8r-8)8) से (8r=38), इसलिए \(r=\frac{19}{4}\), पूर्णांक विकल्प नहीं है। / \(d=\frac{172-52}{15}=8\). From (292=52+(8r-8)8), (8r=38), so \(r=\frac{19}{4}\); no integer option is correct.
Login to save your score, XP, coins and progress. Login
यदि \(a_n=8n+15\) और \(a_m=239\) है, तो \(a_{m+16}\) क्या होगा?
If \(a_n=8n+15\) and \(a_m=239\), what is \(a_{m+16}\)?
#ap expert index
A (359)
B (367)
C (375)
D (383)
Explanation opens after your attempt
Explanation
Simple Explanation
(8m+15=239) से (m=28)। \(a_{44}=8\times44+15=367\)। / From (8m+15=239), (m=28). \(a_{44}=8\times44+15=367\).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=9n+c\) और \(a_8=101\) है, तो \(a_{5r}=326\) होने पर (r) क्या होगा?
If \(a_n=9n+c\) and \(a_8=101\), what is (r) when \(a_{5r}=326\)?
#ap expert parameter index
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
(101=72+c) से (c=29)। (326=45r+29) से \(r=\frac{297}{45}\) नहीं, इसलिए सही डेटा के लिए \(a_{5r}\) को (344) होना चाहिए। / From (101=72+c), (c=29). (326=45r+29) does not give an integer (r), so the given data should be checked.
Login to save your score, XP, coins and progress. Login
यदि \(a_{3m}=152\), \(a_m=56\) और (d=8) है, तो (m) का मान क्या होगा?
If \(a_{3m}=152\), \(a_m=56\), and (d=8), what is the value of (m)?
#ap expert index
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{3m}-a_m=2md=96\), इसलिए (16m=96) और (m=6)। सूचकांक वाले प्रश्न में स्थानों का अंतर पहले देखें। / \(a_{3m}-a_m=2md=96\), so (16m=96) and (m=6). In index questions, first check the position gap.
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_7=38\) और \(a_{19}=122\) है। यदि \(a_{7r}=234\), तो (r) क्या है?
In an AP, \(a_7=38\) and \(a_{19}=122\). If \(a_{7r}=234\), what is (r)?
#ap expert index equation
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{122-38}{12}=7\)। (234=38+(7r-7)7) से (r=5)। / \(d=\frac{122-38}{12}=7\). From (234=38+(7r-7)7), (r=5).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=7n+c\) और \(a_6=61\) है, तो \(a_{4r}=299\) होने पर (r) क्या होगा?
If \(a_n=7n+c\) and \(a_6=61\), what is (r) when \(a_{4r}=299\)?
#ap expert parameter index
A (9)
B (10)
C (11)
D (12)
Explanation opens after your attempt
Explanation
Simple Explanation
(61=42+c) से (c=19)। (299=28r+19) से (r=10)। / From (61=42+c), (c=19). From (299=28r+19), (r=10).
Login to save your score, XP, coins and progress. Login
यदि \(a_{r}=52\), \(a_{r+5}=92\) और \(a_{3r}=212\) है, तो (r) का मान क्या होगा?
If \(a_r=52\), \(a_{r+5}=92\), and \(a_{3r}=212\), what is the value of (r)?
#ap-combined-index-expert
A (8)
B (9)
C (10)
D (11)
Explanation opens after your attempt
Explanation
Simple Explanation
(5d=40) से (d=8)। \(a_{3r}-a_r=2rd=160\), इसलिए (16r=160) और (r=10)। / From (5d=40), (d=8). \(a_{3r}-a_r=2rd=160\), so (16r=160) and (r=10).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी \(12,25,38,\ldots\) में \(a_n\) को (n) के रूप में लिखकर \(a_{4k}\) ज्ञात कीजिए जब (k=9)।
Write \(a_n\) in terms of (n) for the AP \(12,25,38,\ldots\), and find \(a_{4k}\) when (k=9).
#ap-formula-index-expert
A (467)
B (471)
C (479)
D (485)
Explanation opens after your attempt
Explanation
Simple Explanation
यहां (a_n=12+13(n-1)=13n-1)। \(a_{36}=13\times36-1=467\)। / Here (a_n=12+13(n-1)=13n-1). \(a_{36}=13\times36-1=467\).
Login to save your score, XP, coins and progress. Login
यदि \(a_{2n+1}=89\), \(a_{n+1}=41\) और (d=6) है, तो (n) क्या होगा?
If \(a_{2n+1}=89\), \(a_{n+1}=41\), and (d=6), what is (n)?
#ap-index-pair-expert
A (6)
B (7)
C (8)
D (9)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{2n+1}-a_{n+1}=nd=48\)। (6n=48) से (n=8)। / \(a_{2n+1}-a_{n+1}=nd=48\). From (6n=48), (n=8).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=13n-6\) है, तो \(a_{5k}-a_{2k}=234\) के लिए (k) क्या होगा?
If \(a_n=13n-6\), what is (k) for \(a_{5k}-a_{2k}=234\)?
#ap-direct-index-expert
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
(a_{5k}-a_{2k}=(65k-6)-(26k-6)=39k)। (39k=234) से (k=6)। / (a_{5k}-a_{2k}=(65k-6)-(26k-6)=39k). From (39k=234), (k=6).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी में \(a_{6n}=319\), \(a_{2n}=95\) और (d=14) है। (n) क्या है?
In an AP, \(a_{6n}=319\), \(a_{2n}=95\), and (d=14). What is (n)?
#ap-index-difference-expert
A (3)
B (4)
C (5)
D (6)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{6n}-a_{2n}=4nd=224\)। (56n=224) से (n=4)। / \(a_{6n}-a_{2n}=4nd=224\). From (56n=224), (n=4).
Login to save your score, XP, coins and progress. Login
यदि \(a_1=11\), (d=8) और \(a_{3n+4}=275\) है, तो (n) का मान क्या है?
If \(a_1=11\), (d=8), and \(a_{3n+4}=275\), what is the value of (n)?
#ap-index-variable-expert
A (9)
B (10)
C (11)
D (12)
Explanation opens after your attempt
Explanation
Simple Explanation
(275=11+(3n+3)8) से (264=24n+24), इसलिए (n=10)। सूचकांक से (1) घटाकर (d) का गुणक बनाएं। / From (275=11+(3n+3)8), (264=24n+24), so (n=10). Subtract (1) from the index to get the multiplier of (d).
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_7=38\) और \(a_{19}=122\) है। यदि \(a_{7r}=206\), तो (r) क्या है?
In an AP, \(a_7=38\) and \(a_{19}=122\). If \(a_{7r}=206\), what is (r)?
#ap-index-equation-expert
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{122-38}{12}=7\)। (206=38+(7r-7)7) से (7r=31), इसलिए कोई पूर्णांक विकल्प सही नहीं है। / \(d=\frac{122-38}{12}=7\). From (206=38+(7r-7)7), (7r=31), so no integer option is correct.
Login to save your score, XP, coins and progress. Login
यदि \(a_n=6n+13\) और \(a_m=181\) है, तो \(a_{m+14}\) क्या होगा?
If \(a_n=6n+13\) and \(a_m=181\), what is \(a_{m+14}\)?
#ap-index-expert
A (259)
B (265)
C (271)
D (277)
Explanation opens after your attempt
Explanation
Simple Explanation
(6m+13=181) से (m=28)। \(a_{42}=6\times42+13=265\)। / From (6m+13=181), (m=28). \(a_{42}=6\times42+13=265\).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=7n+c\) और \(a_{6}=61\) है, तो \(a_{4r}=313\) होने पर (r) क्या होगा?
If \(a_n=7n+c\) and \(a_6=61\), what is (r) when \(a_{4r}=313\)?
#ap-index-parameter-expert
A (9)
B (10)
C (11)
D (12)
Explanation opens after your attempt
Explanation
Simple Explanation
(61=42+c) से (c=19)। (313=28r+19) से \(r=\frac{294}{28}=10.5\), इसलिए कोई पूर्णांक विकल्प सही नहीं होगा। / From (61=42+c), (c=19). (313=28r+19) gives \(r=\frac{294}{28}=10.5\), so no integer option is correct.
Login to save your score, XP, coins and progress. Login
यदि \(a_n=17n+c\) और \(a_7=145\) है तो \(a_{3r}=757\) होने पर (r) क्या है?
If \(a_n=17n+c\) and \(a_7=145\), what is (r) when \(a_{3r}=757\)?
#ap parameter index hard
A (13)
B (14)
C (15)
D (16)
Explanation opens after your attempt
Explanation
Simple Explanation
(145=119+c) से (c=26)। (757=51r+26) से \(r=\frac{731}{51}\) आता है इसलिए विकल्पों की जांच जरूरी है। / From (145=119+c), (c=26). (757=51r+26), giving \(r=\frac{731}{51}\), so option checking is necessary.
Login to save your score, XP, coins and progress. Login
यदि \(a_n=11n-5\) है तो \(a_{4k}-a_k=198\) के लिए (k) क्या होगा?
If \(a_n=11n-5\), what is (k) for \(a_{4k}-a_k=198\)?
#ap direct index hard
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
Explanation
Simple Explanation
(a_{4k}-a_k=(44k-5)-(11k-5)=33k)। (33k=198) से (k=6)। / (a_{4k}-a_k=(44k-5)-(11k-5)=33k). From (33k=198), (k=6).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी में \(a_{5n}=205\), \(a_n=49\) और (d=13) है। (n) क्या है?
In an AP, \(a_{5n}=205\), \(a_n=49\), and (d=13). What is (n)?
#ap index difference hard
A (3)
B (4)
C (5)
D (6)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{5n}-a_n=4nd=156\)। (52n=156) से (n=3)। / \(a_{5n}-a_n=4nd=156\). From (52n=156), (n=3).
Login to save your score, XP, coins and progress. Login
यदि \(a_1=8\), (d=9) और \(a_{3n+2}=197\) है तो (n) का मान क्या है?
If \(a_1=8\), (d=9), and \(a_{3n+2}=197\), what is the value of (n)?
#ap index variable hard
A (6)
B (7)
C (8)
D (9)
Explanation opens after your attempt
Explanation
Simple Explanation
(197=8+(3n+1)9) से (189=27n+9) इसलिए \(n=\frac{20}{3}\) नहीं आता। सूचकांक ठीक पढ़ना जरूरी है। / (197=8+(3n+1)9), so (189=27n+9) and \(n=\frac{20}{3}\). Read the index carefully before selecting an integer option.
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_5=27\) और \(a_{17}=111\) है। \(a_{5r}\) का मान (195) है तो (r) क्या है?
In an AP, \(a_5=27\) and \(a_{17}=111\). If \(a_{5r}=195\), what is (r)?
#ap index equation hard
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{111-27}{12}=7\)। (195=27+(5r-5)7) से (5r=29) इसलिए \(r=\frac{29}{5}\)। / \(d=\frac{111-27}{12}=7\). From (195=27+(5r-5)7), (5r=29), so \(r=\frac{29}{5}\).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=4n+9\) और \(a_m=137\) है तो \(a_{m+15}\) क्या होगा?
If \(a_n=4n+9\) and \(a_m=137\), what is \(a_{m+15}\)?
#ap index hard
A (189)
B (193)
C (197)
D (201)
Explanation opens after your attempt
Explanation
Simple Explanation
(4m+9=137) से (m=32)। \(a_{47}=4\times47+9=197\)। / From (4m+9=137), (m=32). \(a_{47}=4\times47+9=197\).
Login to save your score, XP, coins and progress. Login
किसी समान्तर श्रेणी में \(a_p=42\), \(a_{p+12}=150\) और (p=9) है। \(a_{40}\) क्या होगा?
In an AP, \(a_p=42\), \(a_{p+12}=150\), and (p=9). What is \(a_{40}\)?
#ap symbolic index hard
A (321)
B (330)
C (339)
D (348)
Explanation opens after your attempt
Explanation
Simple Explanation
(12d=108) से (d=9)। \(a_{40}=a_9+31d=42+279=321\)। / From (12d=108), (d=9). \(a_{40}=a_9+31d=42+279=321\).
Login to save your score, XP, coins and progress. Login
किसी समान्तर श्रेणी में \(a_{4m}=156\), \(a_m=48\) और (d=6) है। (m) का मान क्या है?
In an AP, \(a_{4m}=156\), \(a_m=48\), and (d=6). What is the value of (m)?
#ap index difference hard
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{4m}-a_m=3md=108\) है। (18m=108) से (m=6)। / \(a_{4m}-a_m=3md=108\). From (18m=108), (m=6).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=13n+c\) और \(a_6=101\) है तो \(a_{4r}=465\) होने पर (r) क्या है?
If \(a_n=13n+c\) and \(a_6=101\), what is (r) when \(a_{4r}=465\)?
#ap-parameter-index-hard
A (8)
B (9)
C (10)
D (11)
Explanation opens after your attempt
Explanation
Simple Explanation
(101=78+c) से (c=23)। (465=52r+23) से \(r=\frac{442}{52}=8.5\)। / From (101=78+c), (c=23). (465=52r+23), so \(r=\frac{442}{52}=8.5\).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=9n+2\) है तो \(a_{3k}-a_k=144\) के लिए (k) क्या होगा?
If \(a_n=9n+2\), what is (k) for \(a_{3k}-a_k=144\)?
#ap-direct-index-hard
A (6)
B (7)
C (8)
D (9)
Explanation opens after your attempt
Explanation
Simple Explanation
(a_{3k}-a_k=(27k+2)-(9k+2)=18k)। (18k=144) से (k=8)। / (a_{3k}-a_k=(27k+2)-(9k+2)=18k). From (18k=144), (k=8).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी में \(a_{4n}=140\), \(a_n=32\) और (d=6) है। (n) क्या है?
In an AP, \(a_{4n}=140\), \(a_n=32\), and (d=6). What is (n)?
#ap-index-difference-hard
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{4n}-a_n=3nd=108\)। (18n=108) से (n=6)। / \(a_{4n}-a_n=3nd=108\). From (18n=108), (n=6).
Login to save your score, XP, coins and progress. Login
यदि \(a_1=5\), (d=7) और \(a_{2n+3}=159\) है तो (n) का मान क्या है?
If \(a_1=5\), (d=7), and \(a_{2n+3}=159\), what is the value of (n)?
#ap-index-variable-hard
A (9)
B (10)
C (11)
D (12)
Explanation opens after your attempt
Explanation
Simple Explanation
(159=5+(2n+2)7) से (154=14n+14)। इसलिए (n=10)। / From (159=5+(2n+2)7), (154=14n+14). Therefore (n=10).
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_4=18\) और \(a_{16}=78\) है। \(a_{4r}\) का मान (138) है तो (r) क्या है?
In an AP, \(a_4=18\) and \(a_{16}=78\). If \(a_{4r}=138\), what is (r)?
#ap-index-equation-hard
A (7)
B (8)
C (9)
D (10)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{78-18}{12}=5\)। (138=18+(4r-4)5) से (4r=28) इसलिए (r=7)। / \(d=\frac{78-18}{12}=5\). From (138=18+(4r-4)5), (4r=28), so (r=7).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=3n+4\) और \(a_m=91\) है तो \(a_{m+12}\) क्या होगा?
If \(a_n=3n+4\) and \(a_m=91\), what is \(a_{m+12}\)?
#ap-index-hard
A (121)
B (124)
C (127)
D (130)
Explanation opens after your attempt
Explanation
Simple Explanation
(3m+4=91) से (m=29)। \(a_{41}=3\times41+4=127\)। / From (3m+4=91), (m=29). \(a_{41}=3\times41+4=127\).
Login to save your score, XP, coins and progress. Login
किसी समान्तर श्रेणी में \(a_p=29\), \(a_{p+10}=99\) और (p=8) है। \(a_{35}\) क्या होगा?
In an AP, \(a_p=29\), \(a_{p+10}=99\), and (p=8). What is \(a_{35}\)?
#ap-symbolic-index-hard
A (218)
B (225)
C (232)
D (239)
Explanation opens after your attempt
Explanation
Simple Explanation
(10d=70) से (d=7)। \(a_{35}=a_8+27d=29+189=218\)। / From (10d=70), (d=7). \(a_{35}=a_8+27d=29+189=218\).
Login to save your score, XP, coins and progress. Login
किसी समान्तर श्रेणी में \(a_{3m}=94\), \(a_m=34\) और (d=5) है। (m) का मान क्या है?
In an AP, \(a_{3m}=94\), \(a_m=34\), and (d=5). What is the value of (m)?
#ap-index-difference-hard
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{3m}-a_m=2md=60\) है। (10m=60) से (m=6)। / \(a_{3m}-a_m=2md=60\). From (10m=60), (m=6).
Login to save your score, XP, coins and progress. Login
यदि \(a_{n}=11n+c\) और \(a_{5}=72\) है तो \(a_{5r}\) का मान (512) होने पर (r) क्या है?
If \(a_n=11n+c\) and \(a_5=72\), what is (r) when \(a_{5r}=512\)?
#ap-parameter-index-hard
A (8)
B (9)
C (10)
D (11)
Explanation opens after your attempt
Explanation
Simple Explanation
(72=55+c) से (c=17)। (512=55r+17) से (r=9)। / From (72=55+c), (c=17). From (512=55r+17), (r=9).
Login to save your score, XP, coins and progress. Login
यदि \(a_n=7n-4\) है तो \(a_{2k}-a_k=84\) के लिए (k) क्या होगा?
If \(a_n=7n-4\), what is (k) for \(a_{2k}-a_k=84\)?
#ap-direct-index-hard
A (10)
B (11)
C (12)
D (13)
Explanation opens after your attempt
Explanation
Simple Explanation
(a_{2k}-a_k=(14k-4)-(7k-4)=7k)। (7k=84) से (k=12)। / (a_{2k}-a_k=(14k-4)-(7k-4)=7k). From (7k=84), (k=12).
Login to save your score, XP, coins and progress. Login
समान्तर श्रेणी में \(a_{3n}=81\), \(a_n=21\) और (d=5) है। (n) क्या है?
In an AP, \(a_{3n}=81\), \(a_n=21\), and (d=5). What is (n)?
#ap-index-difference-hard
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(a_{3n}-a_n=2nd=60\)। (10n=60) से (n=6)। / \(a_{3n}-a_n=2nd=60\). From (10n=60), (n=6).
Login to save your score, XP, coins and progress. Login
यदि \(a_1=3\) और \(a_{2n+1}=123\) है तथा (d=4) है तो (n) का मान क्या है?
If \(a_1=3\), \(a_{2n+1}=123\), and (d=4), what is the value of (n)?
#ap-index-variable-hard
A (14)
B (15)
C (16)
D (17)
Explanation opens after your attempt
Explanation
Simple Explanation
\(123=3+2n\cdot4\) से (120=8n) इसलिए (n=15)। सूचकांक (2n+1) में (1) घटाकर गुणक लें। / From \(123=3+2n\cdot4\), (120=8n), so (n=15). In index (2n+1), subtract (1) to get the multiplier.
Login to save your score, XP, coins and progress. Login
एक समान्तर श्रेणी में \(a_3=11\) और \(a_{13}=51\) है। \(a_{3r}\) का मान (91) है तो (r) क्या है?
In an AP, \(a_3=11\) and \(a_{13}=51\). If \(a_{3r}=91\), what is (r)?
#ap-index-equation-hard
A (5)
B (6)
C (7)
D (8)
Explanation opens after your attempt
Explanation
Simple Explanation
\(d=\frac{51-11}{10}=4\)। (91=11+(3r-3)4) से (3r=21) इसलिए (r=7)। / \(d=\frac{51-11}{10}=4\). From (91=11+(3r-3)4), (3r=21), so (r=7).
Login to save your score, XP, coins and progress. Login
यदि \(a_{n}=2n-1\) और \(a_m=63\) है तो \(a_{m+10}\) क्या होगा?
If \(a_n=2n-1\) and \(a_m=63\), what is \(a_{m+10}\)?
#ap-index-hard
A (81)
B (83)
C (85)
D (87)
Explanation opens after your attempt
Explanation
Simple Explanation
(2m-1=63) से (m=32)। \(a_{42}=2\times42-1=83\)। / From (2m-1=63), (m=32). \(a_{42}=2\times42-1=83\).
Login to save your score, XP, coins and progress. Login
किसी समान्तर श्रेणी में \(a_{p}=17\), \(a_{p+8}=65\) और (p=6) है। \(a_{30}\) क्या होगा?
In an AP, \(a_p=17\), \(a_{p+8}=65\), and (p=6). What is \(a_{30}\)?
#ap-symbolic-index-hard
A (155)
B (161)
C (167)
D (173)
Explanation opens after your attempt
Explanation
Simple Explanation
(8d=48) से (d=6)। \(a_{30}=a_6+24d=17+144=161\)। / From (8d=48), (d=6). \(a_{30}=a_6+24d=17+144=161\).
Login to save your score, XP, coins and progress. Login