3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Find the next number in the given number series?

2, 3, 7, 16, 32, ?

A) 49	B) 52
C) 54	D) 57

Answer & Explanation Answer: D) 57

Explanation:

The given number series is 2, 3, 7, 16, 32, ?

$2 2 + 1^{2} = 3 3 + 2^{2} = 7 7 + 3^{2} = 16 16 + 4^{2} = 32 32 + 5^{2} = 57$

Hence, the next number in the given number series is 57.

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Filed Under: Number Series
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11 33311

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 33296

Q:

Replace # sign with the mathematical operators '+', '/','-'or'=' to get a balanced equation out of 186 # 31 # 36 # 30.

A) + / =	B) - = +
C) - + /	D) / = -

Answer & Explanation Answer: D) / = -

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 33291

Q:

Pointing to an old man, Kailash said, "His son is my son's uncle." How is the old man related to Kailash ?

A) Brother	B) Uncle
C) Father	D) Grandfather

Answer & Explanation Answer: C) Father

Explanation:

Kailash's son's uncle — Kailash's brother. So. the old man's son is Kailash's brother

i.e., the old man is Kailash's father.

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Filed Under: Blood Relations

118 33265

Q:

Complete the given number series?

8, 14, 24, 40, ?

A) 65	B) 84
C) 96	D) 102

Answer & Explanation Answer: A) 65

Explanation:

The given number series is 8, 14, 24, 40, ? .

It follows a pattern that,

8

8 x 1.5 + 2 = 14

14 x 1.5 + 3 = 24

24 x 1.5 + 4 = 40

40 x 1.5 + 5 = 65

Hence, the next number in the given number series is 65.

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Filed Under: Number Series
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14 33016

Q:

Arrange the following words in an appropriate order

1. Rainbow 2. Rain 3. Sun 4. Happy 5. Child

A) 4, 2, 3, 5, 1	B) 4, 5, 1, 2, 3
C) 2, 1, 4, 5, 3	D) 2, 3, 1, 5, 4

Answer & Explanation Answer: D) 2, 3, 1, 5, 4

Explanation:

Firstly Rain falls and then Sun comes and Rainbow forms. After that Child sees the rainbow and feels Happy.

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Filed Under: Logical Sequence of Words
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30 32939

Q:

Select the related number from the given alternatives.

55 : 11 :: 125 : ?

A) 22	B) 5
C) 25	D) 101

Answer & Explanation Answer: C) 25

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

1 32892

Q:

Arrange the given words in the sequence in which they occur in the dictionary.

i. Obstacle
ii. Obscure
iii. Obsession
iv. Obstruct

A) iii, iv, i, ii	B) i, iv, iii, ii
C) ii, iii, i, iv	D) iv, iii, ii, i

Verbal Reasoning - Mental Ability Questions

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