3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Find the odd man out of the series 4, 5, 9, 18, 32, 59

A) 18	B) 5
C) 59	D) 32

Answer & Explanation Answer: D) 32

Explanation:

In the given series,

2nd term = 1st term + $1^{2}$ = 4 +1 = 5

3rd term = 2nd term + $2^{2}$ =5+4= 9

4th term = 3rd term + $3^{2}$ =9+9=18

5th term = 4th term + $4^{2}$ = 18+16=34

Therefore, odd term is 32

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Filed Under: Number Series
Exam Prep: Bank Exams
Job Role: Bank PO

19 5980

Q:

In a certain code language, "who are you" is written as "432", "they is you" is written as "485" and "they are dangerous" is written as "295". How is "dangerous" written in that code language?

A) 2	B) 4
C) 5	D) 9

Answer & Explanation Answer: D) 9

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

8 5977

Q:

What is the smallest number of ducks that could swim in this formation - two ducks in front of a duck, two ducks behind a duck and a duck between two ducks ?

A) 3	B) 5
C) 7	D) 9

Answer & Explanation Answer: A) 3

Explanation:

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk

8 5976

Q:

Three of the following four are alike in a certain way and hence form a group. Which is the one that does not belong to that group?

A) 42	B) 72
C) 110	D) 152

Answer & Explanation Answer: D) 152

Explanation:

$42 = 7^{2} - 7$

$9^{2} - 9$ = 72

$11^{2} - 11$ = 110

$12^{2} + 8$ = 152

Except 152, others show the same trend.

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Filed Under: Classification
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

20 5967

Q:

In a certain code language, "ARMS" is written as "5467" and "LIAR" is written as "1254". How is "SMALL" written in that code language?

A) 76521	B) 76512
C) 76511	D) 76544

Answer & Explanation Answer: C) 76511

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 5946

Q:

M is brother of N. B is brother of N. M is brother of D. But N is not brother of D. How is N related to D?

A) Nephew	B) Cousin
C) Sister	D) Brother

Answer & Explanation Answer: C) Sister

Explanation:

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Filed Under: Blood Relations
Exam Prep: Bank Exams

20 5926

Q:

If in the examination hall, you find that the question paper is too tough to be answered satisfactorily by you, the best thing to do for you is to :

A) tell the examiner that the questions are out of course.	B) provoke the candidates to walk out of the examination hall.
C) try to know something from your neighbour.	D) try to solve the questions as much as you know with a cool head.

Answer & Explanation Answer: D) try to solve the questions as much as you know with a cool head.

Explanation:

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Filed Under: Situation Reaction Test

109 5922

Q:

Pointing to a woman, a girl says, "Her daughter-in-law is married to the only son of my husband's mother-in-law." How is the girl related to the woman?

A) Niece	B) Granddaughter
C) Daughter	D) Cousin

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