Sawaal
7
Q:

What should be replaced in the place of '?' in the following series ?

QAR, RAS, SAT, TAU, ?

A) UAT B) UAV
C) UAS D) UTS

Answer:   B) UAV



Explanation:

In this series, the third letter is repeated as the first letter of the next segment. The middle letter, A, remains static. The third letters are in alphabetical order, beginning with R.

Subject: Number Series
Exam Prep: Bank Exams , CAT , GATE , GRE
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Answer & Explanation Answer: A) 9

Explanation:

The given sequence is a combination of three series:
i)1st, 4th, 7th terms i.e, 2, 4, 9
ii)2nd, 5th, 8th terms i.e, 3, 6, 12
iii)3rd, 6th, 9th terms i.e, 4, 8, 16
In each one of i, ii, iii, each term is twice the preceding term.
So, 9 is wrong and must be replaced by (4*2) = 8

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Answer & Explanation Answer: A) 39

Explanation:

The correct pattern is *2+1
So, 39 is wrong and must be replaced by (15 * 2 + 1) = 31

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Find out the wrong term in the series 125, 126, 124, 127, 123, 129

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Answer & Explanation Answer: A) 129

Explanation:

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A) 5000 B) 500
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Answer & Explanation Answer: A) 5000

Explanation:

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So, 5000 is wrong and it must be replaced by (500*50) = 25000

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Find out the wrong term in the series 83,92,85,90,85,88

A) 85 B) 88
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Answer & Explanation Answer: A) 85

Explanation:

The correct pattern is +9,-7,+5,-3,+1
So,85 is wrong term and must be replaced by 90-3=87

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Find out the wrong term in the series 4,8,15,25,36,54

A) 28 B) 38
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Answer & Explanation Answer: B) 38

Explanation:

The correct pattern is +4,+7,+10,+13,+16
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Find out the wrong term in the series 169,144,121,100,85,64

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Answer & Explanation Answer: C) 85

Explanation:

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So,85 is wrong term and must be replaced by 9*81

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Q:

Choose the correct alternative that will continue the same pattern and replace 'x' in the series 31,45,35,47,39,x,43,51,47,53

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Answer & Explanation Answer: B) 49

Explanation:

The given sequence is a combination of two series
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