3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Find the next number in the given number series?

10, 6, 8, 15, ?

A) 34	B) 24
C) 28	D) 30

Answer & Explanation Answer: A) 34

Explanation:

The given number series is 10, 6, 8, 15, ?

10

10 x 0.5 + 1 = 6

6 x 1 + 2 = 8

8 x 1.5 + 3 = 15

15 x 2 + 4 = 34

Hence, the next number in the given series is 34.

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Filed Under: Number Series
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9 93752

Q:

Find the wrong number in the series

7, 28, 63, 124, 215, 342, 511

A) 28	B) 124
C) 215	D) 342

Answer & Explanation Answer: A) 28

Explanation:

Here the number follows the given rule

$2^{3} - 1, 3^{3} - 1, 4^{3} - 1, 5^{3} - 1, . . .$

But 28 has been given in problem series.

so 28 is wrong number.

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Filed Under: Number Series
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126 93205

Q:

Select the related word/letters/number from the given alternatives.

Flow:River::Stagnant:?

A) Pond	B) Rain
C) Stream	D) Canal

Answer & Explanation Answer: A) Pond

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

0 93177

Q:

A girl introduced a boy as the son of' the daughter of the father of her uncle. The boy is girl's

A) Brother	B) Son
C) Uncle	D) Son-in-law

Answer & Explanation Answer: A) Brother

Explanation:

Daughter of uncle's father — Uncle's sister — Mother;

Mother's son — Brother

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Filed Under: Blood Relations

1431 93005

Q:

Based on the analogy given, find the missing number from the given options.

7528 : 5362 ::4673 : ?

A) 2351	B) 2541
C) 2451	D) 2531

Answer & Explanation Answer: C) 2451

Explanation:

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Filed Under: Analogy
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5 91761

Q:

In the following question, select the related number pair from the given alternatives.

43 : 27 : : ? : ?

A) 77 : 65	B) 91 : 87
C) 65 : 49	D) 69 : 55

Answer & Explanation Answer: C) 65 : 49

Explanation:

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Filed Under: Analogy
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18 91140

Q:

If HAT is coded as 'jcv' then what will GUN be coded as?

A) iwp	B) IKM
C) kip	D) Klp

Answer & Explanation Answer: A) iwp

Explanation:

Here HAT is coded as jcv

=> Leaving a letter in between i.e, after H leave i write j in small letters

In the same way, A => c, T => v

Similarly for GUN => iwp

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Filed Under: Coding and Decoding
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61 90986

Q:

If K denotes x, T denotes ÷, V denotes + and R denotes –, then

16 V 24 T 8 R 6 T 2 K 3 = ?

A) 10	B) 9
C) 12	D) 11

Verbal Reasoning - Mental Ability Questions

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