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Recent questions tagged sequences&series
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121
series
$563 \; 647 \; 479 \; 815$_______ what is the next number in series
shivanisrivarshini
asked
in
Logical Reasoning
Aug 8, 2016
by
shivanisrivarshini
1.9k
points
478
views
sequences&series
logical-reasoning
0
votes
1
answer
122
series
$3 \; 8 \; 13 \; 24 \; 41$ ____ next number in series is ?
shivanisrivarshini
asked
in
Logical Reasoning
Aug 8, 2016
by
shivanisrivarshini
1.9k
points
567
views
sequences&series
0
votes
2
answers
123
Geometric progression
The series S is in G.P with common ratio r. A new series is formed whose nth term is sum of (n+1)th term and nth term of series S . what is common ratio of the new series ? 1) r-1 2)r+1 3)r 4) The new series is not in G.P. here G.P Is geometric progression
minal
asked
in
Quantitative Aptitude
Jun 6, 2016
by
minal
2.3k
points
1.6k
views
sequences&series
0
votes
0
answers
124
CAT 2003 | Question: 2-70
Consider the sets $T_n = \{n, n + 1, n + 2, n + 3, n + 4\}$, where $n = 1, 2, 3,\dots, 96.$ How many of these sets contain $6$ or any integral multiple thereof (i.e., any one of the numbers $6, 12, 18, \dots)?$ $80$ $81$ $82$ $83$
go_editor
asked
in
Quantitative Aptitude
May 5, 2016
by
go_editor
13.6k
points
279
views
cat2003-2
quantitative-aptitude
sequences&series
0
votes
0
answers
125
CAT 2007 | Question: 05
Directions for the below question: Let $S$ be the set of all pairs $(i, j)$ where $ 1 \leq i \leq j < n$ and $n \geq 4$. Any two distinct number of $S$ are called friends' if they have one constituent of the pairs in common and enemies' otherwise. For example, if $n=4$ ... $2n-6$ $\frac{1}{2} n(n - 3)$ $n-2$ $\frac{1}{2} (n^2 - 7n + 16)$
go_editor
asked
in
Quantitative Aptitude
May 3, 2016
by
go_editor
13.6k
points
385
views
cat2007
quantitative-aptitude
sequences&series
0
votes
0
answers
126
CAT 2001 | Question: 30
For a Fibonacci sequence, from the third term onwards, each term in the sequence is the sum of the previous two terms in that sequence. If the difference in squares of seventh and sixth terms of this sequence is $517,$ what is the tenth term of this sequence? $147$ $76$ $123$ Cannot be determined
go_editor
asked
in
Quantitative Aptitude
Mar 31, 2016
by
go_editor
13.6k
points
212
views
cat2001
quantitative-aptitude
sequences&series
0
votes
0
answers
127
CAT 2000 | Question: 59
What is the value of the following expression? $\frac{1}{2^2 -1} + \frac{1}{4^2 -1} + \frac{1}{6^2 -1} + \dots + \frac{1}{20^2 -1}$ $\frac{9}{19}$ $\frac{10}{19}$ $\frac{10}{21}$ $\frac{11}{21}$
go_editor
asked
in
Quantitative Aptitude
Mar 28, 2016
by
go_editor
13.6k
points
236
views
cat2000
quantitative-aptitude
sequences&series
0
votes
0
answers
128
CAT 2000 | Question: 58
If $a_1 = 1$ and $a_{n+1} = 2a_{n + 5}, n = 1, 2, \dots ,$ then $a_{100}$ is equal to $(5 × 2^99 – 6)$ $(5 × 2^99 + 6)$ $(6 × 2^99 + 5)$ $(6 × 2^99 – 5)$
go_editor
asked
in
Quantitative Aptitude
Mar 28, 2016
by
go_editor
13.6k
points
156
views
cat2000
quantitative-aptitude
sequences&series
0
votes
0
answers
129
CAT 2002 | Question: 77
A student finds the sum $1 + 2 + 3 + \dots $ as his patience runs out. He found the sum as $575.$ When the teacher declared the result wrong, the student realized that he missed a number. What was the number the student missed? $16$ $18$ $14$ $20$
go_editor
asked
in
Quantitative Aptitude
Mar 2, 2016
by
go_editor
13.6k
points
201
views
cat2002
quantitative-aptitude
sequences&series
1
vote
1
answer
130
CAT 2003 | Question: 1-128
The $288$-th term of the series $a,b,b,c,c,c,d,d,d,d,e,e,e,e,e,f,f,f,f,f,f, \dots$ is $u$ $v$ $w$ $x$
go_editor
asked
in
Quantitative Aptitude
Feb 8, 2016
by
go_editor
13.6k
points
388
views
cat2003-1
quantitative-aptitude
sequences&series
0
votes
0
answers
131
CAT 2014 | Question: 47
Direction for questions: Answer the questions based on the following information. A series $S_{1}$ of five positive integers is such that the third term is half the first term and the fifth term is $20$ more than the first term. In series $S_{2}$, the $n$th ... , is an arithmetic progression with a common difference of $30$. First term of $S_{1}$ is $80$ $90$ $100$ $120$
makhdoom ghaya
asked
in
Quantitative Aptitude
Jan 19, 2016
by
makhdoom ghaya
8.0k
points
422
views
cat2014
quantitative-aptitude
sequences&series
0
votes
1
answer
132
CAT 2014 | Question: 45
Let $a_{n+1}= 2 a_{n}+1 ({n}=0, 1, 2,\dots)$ and $a_{0}=0$. Then $a_{10}$ nearest to. $1023$ $2047$ $4095$ $8195$
makhdoom ghaya
asked
in
Quantitative Aptitude
Jan 17, 2016
by
makhdoom ghaya
8.0k
points
275
views
cat2014
quantitative-aptitude
sequences&series
0
votes
1
answer
133
CAT 2004 | Question: 66
Consider the sequence of the numbers $a_1, a_2, a_3, \dots$ to infinity where $a_1 = 81.33$ and $a_2 = -19$, and $a_j = a_{j-1} - a_{j-2}$ for $j \geq 3$. What is the sum of the first $6002$ terms of this sequence? $-100.33$ $-30.00$ $62.33$ $119.33$
go_editor
asked
in
Quantitative Aptitude
Jan 13, 2016
by
go_editor
13.6k
points
415
views
cat2004
quantitative-aptitude
sequences&series
0
votes
0
answers
134
CAT 2005 | Question: 14
If $a_1 =1$ and $a_{n+1}-3a_n +2 = 4n$ for every positive integer n then $a_{100}$ equals $3^{99} - 200$ $3^{99} + 200$ $3^{100} - 200$ $3^{100} + 200$
go_editor
asked
in
Quantitative Aptitude
Dec 29, 2015
by
go_editor
13.6k
points
208
views
cat2005
quantitative-aptitude
sequences&series
0
votes
1
answer
135
CAT 2006 | Question: 55
Consider the sequence where the $n^{\text{th}}$ term $t_n = \frac{n}{n+2}, n=1, 2, \dots.$ The value of $t_3 \times t_4 \times t_5 \times \dots \times t_{53}$ equals: $2/495$ $2/477$ $12/55$ $1/1485$ $1/2970$
go_editor
asked
in
Quantitative Aptitude
Dec 28, 2015
by
go_editor
13.6k
points
351
views
cat2006
quantitative-aptitude
sequences&series
0
votes
1
answer
136
CAT 2007 | Question: 04
Directions for the below question: Let $S$ be the set of all pairs $(i, j)$ where $ 1 \leq i \leq j < n$ and $n \geq 4$. Any two distinct number of $S$ are called friends' if they have one constituent of the pairs in common and enemies' otherwise. For example, if $n=4$ ... $2n-7$ $\frac{1}{2} (n^2 - 5n +6)$ $\frac{1}{2} (n^2 - 7n + 14)$
go_editor
asked
in
Quantitative Aptitude
Dec 6, 2015
by
go_editor
13.6k
points
446
views
cat2007
quantitative-aptitude
sequences&series
0
votes
2
answers
137
CAT 2008 | Question: 12
The number of common terms in the two sequences $17, 21, 25,\dots,417$ and $16, 21 26,\dots,466$ is $78$ $19$ $20$ $27$ $22$
go_editor
asked
in
Quantitative Aptitude
Nov 28, 2015
by
go_editor
13.6k
points
775
views
cat2008
quantitative-aptitude
sequences&series
0
votes
0
answers
138
CAT 2008 | Question: 08
Find the sum $\sqrt{1+ \frac{1}{1^2} + \frac{1}{2^2} } + \sqrt{1+ \frac{1}{2^2} + \frac{1}{3^2} } + \dots + \sqrt{1+ \frac{1}{2007^2} + \frac{1}{2008^2} }$ $2008 - \frac{1}{2008}$ $2007 - \frac{1}{2007}$ $2007 - \frac{1}{2008}$ $2008 - \frac{1}{2007}$ $2008 - \frac{1}{2009}$
go_editor
asked
in
Quantitative Aptitude
Nov 28, 2015
by
go_editor
13.6k
points
359
views
cat2008
quantitative-aptitude
sequences&series
4
votes
2
answers
139
What is the missing letter in this series:
What is the missing Letter in this series: a a b b ? c a b c d e What is the missing letter in this series: c c d ? e f g g h b c d e f What is the missing letter in this series: a z b ? c x b c w x y
makhdoom ghaya
asked
in
Logical Reasoning
Aug 13, 2015
by
makhdoom ghaya
8.0k
points
6.4k
views
logical-reasoning
sequences&series
easy
3
votes
1
answer
140
the positions of the elements
$\text{R @ 2 9 T V A Y 5 © # J 1 P 8 Q \$ E 3}$ $\text{* H % 6 W 4 I δ U Z}$ If the positions of the last eighteen elements in the above arrangement are reserved, which of te following will be the seventeenth from the left end? $\text{E}$ $\text{P}$ $\text{W}$ $6$ None of these
admin
asked
in
Logical Reasoning
Apr 27, 2015
by
admin
3.7k
points
542
views
sequences&series
3
votes
2
answers
141
How many such numbers
$\text{R @ 2 9 T V A Y 5 © # J 1 P 8 Q \$ E 3}$ $\text{* H % 6 W 4 I δ U Z}$ How many such numbers are there in the above arrangement, each of which is immediately prepared by a consonant and immediately followed by a symbol? One Two Three Four More than four
admin
asked
in
Logical Reasoning
Apr 27, 2015
by
admin
3.7k
points
689
views
sequences&series
3
votes
3
answers
142
Which of the following is
$\text{R @ 2 9 T V A Y 5 © # J 1 P 8 Q \$ E 3}$ $\text{* H % 6 W 4 I δ U Z}$ Which of the following is the fifth to the right of the nineteenth element from the right end? $\text{P}$ $\text{V}$ $\text{W}$ $\text{8}$ None of these
admin
asked
in
Logical Reasoning
Apr 27, 2015
by
admin
3.7k
points
1.6k
views
sequences&series
2
votes
4
answers
143
Four of the following five are alike
$\text{R @ 2 9 T V A Y 5 © # J 1 P 8 Q \$ E 3 * H % 6 W 4 I δ U Z}$ Four of the following five are alike in a certain way based on their positions in the above arrangement and so form a group. Which is the one that does not belong to that group? $\text{J P ©}$ $\text{E Q *}$ $\text{W I %}$ $\text{9 V @}$ $\text{1 # δ}$
admin
asked
in
Logical Reasoning
Apr 27, 2015
by
admin
3.7k
points
3.1k
views
sequences&series
3
votes
1
answer
144
Little confusion in reading the statement Required Clue here
sandeep kumar verma
asked
in
Logical Reasoning
Apr 25, 2015
by
sandeep kumar verma
118
points
755
views
sequences&series
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