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Recent questions tagged arithmeticseries
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ISI2014DCG23
The sum of the series $\:3+11+\dots +(8n5)\:$ is $4n^2n$ $8n^2+3n$ $4n^2+4n5$ $4n^2+2$
asked
Sep 23, 2019
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Numerical Ability
by
Arjun
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431k
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isi2014dcg
numericalability
arithmeticseries
0
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2
ISI2014DCG61
If $l=1+a+a^2+ \dots$, $m=1+b+b^2+ \dots$, and $n=1+c+c^2+ \dots$, where $\mid a \mid <1, \: \mid b \mid < 1, \: \mid c \mid <1$ and $a,b,c$ are in arithmetic progression, then $l, m, n$ are in arithmetic progression geometric progression harmonic progression none of these
asked
Sep 23, 2019
in
Numerical Ability
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Arjun
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23
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isi2014dcg
numericalability
arithmeticseries
0
votes
1
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3
ISI2014DCG62
If the sum of the first $n$ terms of an arithmetic progression is $cn^2$, then the sum of squares of these $n$ terms is $\frac{n(4n^21)c^2}{6}$ $\frac{n(4n^2+1)c^2}{3}$ $\frac{n(4n^21)c^2}{3}$ $\frac{n(4n^2+1)c^2}{6}$
asked
Sep 23, 2019
in
Numerical Ability
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Arjun
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431k
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22
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isi2014dcg
numericalability
arithmeticseries
+1
vote
2
answers
4
ISI2015DCG1
The sequence $\dfrac{1}{\log_3 2}, \: \dfrac{1}{\log_6 2}, \: \dfrac{1}{\log_{12} 2}, \: \dfrac{1}{\log_{24} 2} \dots $ is in Arithmetic progression (AP) Geometric progression ( GP) Harmonic progression (HP) None of these
asked
Sep 18, 2019
in
Numerical Ability
by
gatecse
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17.5k
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83
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isi2015dcg
numericalability
arithmeticseries
0
votes
1
answer
5
ISI2017DCG8
If $x,y,z$ are in $A.P.$ and $a>1$, then $a^x, a^y, a^z$ are in $A.P.$ $G.P$ $H.P$ none of these
asked
Sep 18, 2019
in
Numerical Ability
by
gatecse
Boss
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17.5k
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19
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isi2017dcg
numericalability
arithmeticseries
0
votes
1
answer
6
ISI2017DCG21
If $a,b,c$ are in $A.P.$ , then the straight line $ax+by+c=0$ will always pass through the point whose coordinates are $(1,2)$ $(1,2)$ $(1,2)$ $(1,2)$
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Sep 18, 2019
in
Numerical Ability
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gatecse
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17.5k
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14
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isi2017dcg
numericalability
geometry
lines
arithmeticseries
0
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1
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7
ISI2018DCG3
If the coefficient of $p^{th}, (p+1)^{th}$ and $(p+2)^{th}$ terms in the expansion of $(1+x)^n$ are in Arithmetic Progression (A.P.), then which one of the following is true? $n^2+4(4p+1)+4p^22=0$ $n^2+4(4p+1)+4p^2+2=0$ $(n2p)^2=n+2$ $(n+2p)^2=n+2$
asked
Sep 18, 2019
in
Numerical Ability
by
gatecse
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17.5k
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44
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isi2018dcg
numericalability
sequenceseries
arithmeticseries
+1
vote
3
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8
GATE2011 AG: GA6
The sum of $n$ terms of the series $4+44+444+ \dots \dots $ is $\frac{4}{81}\left[10^{n+1}9n1\right]$ $\frac{4}{81}\left[10^{n1}9n1\right]$ $\frac{4}{81}\left[10^{n+1}9n10\right]$ $\frac{4}{81}\left[10^{n}9n10\right]$
asked
May 14, 2019
in
Numerical Ability
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Lakshman Patel RJIT
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58.8k
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306
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generalaptitude
numericalability
gate2011ag
arithmeticseries
+2
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2
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9
GATE2019 EE: GA6
How many integers are there between $100$ and $1000$ all of whose digits are even? $60$ $80$ $100$ $90$
asked
Feb 12, 2019
in
Numerical Ability
by
Arjun
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431k
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238
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gate2019ee
generalaptitude
numericalability
arithmeticseries
+13
votes
3
answers
10
GATE20152GA6
If the list of letters $P$, $R$, $S$, $T$, $U$ is an arithmetic sequence, which of the following are also in arithmetic sequence? $2P, 2R, 2S, 2T, 2U$ $P3, R3, S3, T3, U3$ $P^2, R^2, S^2, T^2, U^2$ I only I and II II and III I and III
asked
Feb 12, 2015
in
Numerical Ability
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jothee
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105k
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1.2k
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gate20152
numericalability
normal
arithmeticseries
+8
votes
5
answers
11
GATE201358
What will be the maximum sum of $44, 42, 40, \dots$ ? $502$ $504$ $506$ $500$
asked
Sep 24, 2014
in
Numerical Ability
by
Arjun
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431k
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1.7k
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gate2013
numericalability
easy
arithmeticseries
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