3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Next number in the given series is

9 7 10 6 11 ?

A) 5	B) 4
C) 13	D) 15

Answer & Explanation Answer: A) 5

Explanation:

The given number series is 9 7 10 6 11 ?

Here in this we have two number sequences, they are

9, 10, 11, ... and 7, 6, 5, ...

Hence, the next number in the given number series is 6 - 1 = 5.

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Filed Under: Number Series
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3 20223

Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

18 + 12 ÷ 9 - 30 x 16 = 10

A) + and x	B) + and ÷
C) - and +	D) ÷ and x

Answer & Explanation Answer: A) + and x

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

5 20212

Q:

Complete the series

A, B, D, G,?, P

A) I	B) J
C) K	D) L

Answer & Explanation Answer: C) K

Explanation:

A + 1→B + 2→D + 3→G +4→K +5→P

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

4 20132

Q:

Bruise is to Fall as Bump is to

A) Lump	B) Knock
C) Limp	D) Wound

Answer & Explanation Answer: B) Knock

Explanation:

After falling it bruises, similarly after knocking it bumps.

Hence, Bruise : Fall :: Bump : Knock.

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Filed Under: Analogy
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19 20131

Q:

The workers union decided to go on strike since the management was adamant and did not agree to their terms .The discussion had reached a /an--------.

A) Climax	B) impetus
C) impasse	D) obstacle

Answer & Explanation Answer: C) impasse

Explanation:

Impasse means, a situation in which no progress is possible, especially because of disagreement; a deadlock.

So it is Impasse.

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Filed Under: Analogy
Exam Prep: Bank Exams , CAT
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13 20092

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

Answer & Explanation Answer: C) ii, iii, i, iv

Explanation:

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Filed Under: Logical Sequence of Words
Exam Prep: AIEEE , Bank Exams , CAT

6 20089

Q:

Find the quadratic equations whose roots are the reciprocals of the roots of $2 x^{2} + 5 x + 3$ ?

A) $3 x^{2} + 5 x + 2 = 0$

B) $5 x^{2} + 3 x + 2 = 0$

C) $3 x^{2} - 5 x - 2 = 0$

D) None

A) A	B) B
C) C	D) D

Answer & Explanation Answer: A) A

Explanation:

The quadratic equation whose roots are reciprocal of $2 x^{2} + 5 x + 3 = 0$ can be obtained by replacing x by 1/x.

Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0

=> $3 x^{2} + 5 x + 2 = 0$

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Filed Under: Mathematical Operations
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74 20077

Q:

Which of the following terms follows the trend of the given list?

CCABABAB, ACCBABAB, ABCCABAB, ABACCBAB, ABABCCAB, _______________.

A) ABABABCC	B) CCABABAB
C) ABABACCB	D) ACCBABAB

Verbal Reasoning - Mental Ability Questions

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