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Recent questions tagged sequences&series

1 votes
1 answer
41
NIELIT 2016 DEC Scientist B - Section A: 23
In the following question, one term in the number series is wrong. Find out the wrong term. $125, 126, 124, 127, 123, 129$ $123$ $124$ $126$ $129$
In the following question, one term in the number series is wrong. Find out the wrong term.$125, 126, 124, 127, 123, 129$$123$$124$$126$$129$
1 votes
3 answers
42
NIELIT 2016 DEC Scientist B - Section A: 29
In the following question, find out the correct answer from the given alternatives. If $\text{TABLE}$ is coded as $\text{GZYOV}$, how is $\text{JUICE}$ coded? $\text{OZLFJ}$ $\text{QFRXV}$ $\text{HOFAD}$ $\text{QZHMT}$
In the following question, find out the correct answer from the given alternatives.If $\text{TABLE}$ is coded as $\text{GZYOV}$, how is $\text{JUICE}$ coded?$\text{OZLFJ}...
1 votes
1 answer
44
NIELIT 2016 DEC Scientist B - Section A: 27
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space. $50,49,46,41,34,$ _________. $32$ $25$ $21$ $19$
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space.$50,49,...
1 votes
2 answers
45
NIELIT 2016 DEC Scientist B - Section A: 26
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space. $71,76,69,74,67,72$,_______. $65$ $76$ $77$ $80$
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space.$71,76,...
1 votes
1 answer
46
NIELIT 2016 DEC Scientist B - Section A: 25
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space. $6, 25$, _____, $123, 214, 341$ $65$ $70$ $72$ $62$
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space.$6, 25$...
1 votes
1 answer
47
NIELIT 2016 DEC Scientist B - Section A: 41
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group. $JMP$ $RUX$ $UYB$ $EHK$
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group.$JMP$$RUX$$UYB$$EHK...
1 votes
1 answer
48
NIELIT 2016 DEC Scientist B - Section A: 40
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group. $CBAZ$ $AZYX$ $AZBY$ $PONM$
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group.$CBAZ$$AZYX$$AZBY$$...
1 votes
1 answer
49
NIELIT 2016 DEC Scientist B - Section A: 39
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group. $LNMO$ $CRDT$ $EUFV$ $GWHX$
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group.$LNMO$$CRDT$$EUFV$$...
2 votes
1 answer
50
NIELIT 2016 DEC Scientist B - Section A: 38
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group. $BCDEI$ $PQRSW$ $LMNOS$ $HIKLO$
In the following question, three out of four alternatives contain alphabet placed in a particular form. Find the one that does not belong to the group.$BCDEI$$PQRSW$$LMNO...
2 votes
1 answer
51
NIELIT 2016 DEC Scientist B - Section A: 45
Find out the wrong term from the following series and select the number from the alternatives which will replace the wrong term in the series. $2,9,28,65,126,216,344:$ $38$ $217$ $356$ $66$
Find out the wrong term from the following series and select the number from the alternatives which will replace the wrong term in the series.$2,9,28,65,126,216,344:$$38$...
2 votes
1 answer
52
NIELIT 2016 DEC Scientist B - Section A: 44
Find out the wrong term from the following series and select the number from the alternatives which will replace the wrong term in the series. $299, 178, 97, 48, 24, 14, 13:$ $175$ $295$ $23$ $10$
Find out the wrong term from the following series and select the number from the alternatives which will replace the wrong term in the series.$299, 178, 97, 48, 24, 14, 1...
2 votes
2 answers
53
NIELIT 2017 July Scientist B - Section A: 12
Find the odd one in the following series: $2, 5, 10, 17, 26, 37, 50, 64$ $50$ $26$ $37$ $64$
Find the odd one in the following series:$2, 5, 10, 17, 26, 37, 50, 64$$50$$26$$37$$64$
1 votes
1 answer
57
NIELIT 2017 July Scientist B - Section A: 33
Which number pair comes next in the series? $4\:7\:26\:10\:13\:20\:16$ $14\:4$ $14\:17$ $18\:14$ $19\:14$
Which number pair comes next in the series?$4\:7\:26\:10\:13\:20\:16$$14\:4$$14\:17$$18\:14$$19\:14$
1 votes
1 answer
59
CAT 2019 Set-2 | Question: 80
Let $a_{1},a_{2}\dots$ be integers such that $a_{1}-a_{2}+a_{3}-a_{4}+\dots+(-1)^{n-1}a_{n}=n$, for all $n\geq 1$ Then $a_{51}+a_{52}+\dots+a_{1023}$ equals $-1$ $10$ $0$ $1$
Let $a_{1},a_{2}\dots$ be integers such that $a_{1}-a_{2}+a_{3}-a_{4}+\dots+(-1)^{n-1}a_{n}=n$, for all $n\geq 1$ Then $a_{51}+a_{52}+\dots+a_{1023}$ equals$-1$$10$$0$$1$...
0 votes
0 answers
60
CAT 2016 | Question: 83
If $a_1=1$ and $a_{n+1}-3a_n+2=4n$ for every positive integer $n$, then $a_{100}$ equals $3^{99}-200$ $3^{99}+200$ $3^{100}-200$ $3^{100}+200$
If $a_1=1$ and $a_{n+1}-3a_n+2=4n$ for every positive integer $n$, then $a_{100}$ equals$3^{99}-200$$3^{99}+200$$3^{100}-200$$3^{100}+200$
1 votes
1 answer
61
CAT 2011 | Question: 9
Let $\text{S}_n$ denote the sum of the squares of the first $n$ odd natural numbers. If $\text{S}_n=533n,$ find the value of $n$. $18$ $20$ $24$ $30$
Let $\text{S}_n$ denote the sum of the squares of the first $n$ odd natural numbers. If $\text{S}_n=533n,$ find the value of $n$.$18$$20$$24$$30$
2 votes
1 answer
62
CAT 2019 Set-1 | Question: 89
If $a_{1}+a_{2}+a_{3}+\dots+a_{n}=3(2^{n+1}-2)$, for every $n\geq 1$, then $a_{11}$ equals ______
If $a_{1}+a_{2}+a_{3}+\dots+a_{n}=3(2^{n+1}-2)$, for every $n\geq 1$, then $a_{11}$ equals ______
0 votes
0 answers
63
CAT 2012 | Question: 1
Consider a sequence $\text{S}$ whose $n$th term $T_{n}$ is defined as $1+\frac{3}{n}$, where $n=1,2, \dots$. Find the product of all the consecutive terms of $\text{S}$ starting from the $4$th term to the $60$th term. $1980.50$ $1985.55$ $1990.55$ $1975.55$
Consider a sequence $\text{S}$ whose $n$th term $T_{n}$ is defined as $1+\frac{3}{n}$, where $n=1,2, \dots$. Find the product of all the consecutive terms of $\text{S}$ s...
1 votes
2 answers
64
CAT 1994 | Question: 67
The fourth term of an arithmetic progression is 8. What is the sum of the first 7 terms of the arithmetic progression? 7 64 56 cannot be determined
The fourth term of an arithmetic progression is 8. What is the sum of the first 7 terms of the arithmetic progression?76456cannot be determined
1 votes
1 answer
65
Find the last digit of the product
$22^{22} * 33^{33} * 44^{44} * 55^{55}$ 3 2 1 0
$22^{22} * 33^{33} * 44^{44} * 55^{55}$3210
0 votes
3 answers
66
series
25, 100, ?, 1600, 6400 A. 400 B. 300 C. 360 D. 420 E. None of these
25, 100, ?, 1600, 6400A. 400B. 300C. 360D. 420E. None of these
0 votes
2 answers
67
series
18, 22, 30, ? ,78, 142 A. 44 B. 35 C. 46 D. 48 E. None of these
18, 22, 30, ? ,78, 142A. 44B. 35C. 46D. 48E. None of these
0 votes
3 answers
68
series
6, 12, 21, ? , 48 A. 33 B. 39 C. 36 D. 31 E. None of these
6, 12, 21, ? , 48A. 33B. 39C. 36D. 31E. None of these
0 votes
2 answers
69
series
11, 14, 19, 22, 27, 30, ? A. 39 B. 34 C. 36 D. 35 E. None of these
11, 14, 19, 22, 27, 30, ?A. 39B. 34C. 36D. 35E. None of these
0 votes
2 answers
70
series
0, 6, 24, 60, 120, 210, ? A. 336 B. 349 C. 312 D. 337 E. None of these
0, 6, 24, 60, 120, 210, ?A. 336 B. 349C. 312D. 337E. None of these
0 votes
2 answers
71
series
11, 24, 50, 102, 206, ?
11, 24, 50, 102, 206, ?
0 votes
0 answers
72
series
6, 9, 17, 23,———-
6, 9, 17, 23,———-
0 votes
0 answers
73
series
3, 9, 18, 35, 58,——
3, 9, 18, 35, 58,——
0 votes
2 answers
74
series
441, 484, 529, 576?
441, 484, 529, 576?
0 votes
1 answer
75
series
C, G, K, 0, S, ? one term is missing.Select one alternative A.W B.X C.Y D.U
C, G, K, 0, S, ? one term is missing.Select one alternative A.WB.XC.YD.U
0 votes
2 answers
76
series
1, 9, 25, 49, ?, 121. What will come at the place of question mark ? A.100 B. 91 C. 64 D.81
1, 9, 25, 49, ?, 121. What will come at the place of question mark ?A.100B. 91C. 64D.81
0 votes
0 answers
77
number series
What are some easy ways to understand and approach number series
What are some easy ways to understand and approach number series
0 votes
1 answer
78
series
589245773, 89245773, 8924577, 924577, ?
589245773, 89245773, 8924577, 924577, ?
0 votes
1 answer
79
series
Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank?
Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank?
0 votes
2 answers
80
series
Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank?
Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank?
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