3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Two angles whose sum is 180 degrees are

A) Complimentary angles	B) Supplementary angles
C) Alternate angles	D) None of the above

Answer & Explanation Answer: B) Supplementary angles

Explanation:

Two angles whose sum is 180 degrees are called supplementary angles.

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Filed Under: Arithmetical Reasoning
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5 4701

Q:

You find that the person whom you call your friend has been cheating you. what would you do ?

A) Break relations with him.	B) Give him tit for tat
C) Make him realise his mistake	D) Tell other friends about him.

Answer & Explanation Answer: C) Make him realise his mistake

Explanation:

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Filed Under: Situation Reaction Test

104 4698

Q:

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B, A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B. How many male members are there in the family ?

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

Answer & Explanation Answer: D) 4

Explanation:

B is the son of C but C is not the mother of B means C is the father of B. A is marned to C means A is the mother of B. F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C

A is the mother and hence female. B is the son and hence male. C is the husband and hence male.

D in the daughter and hence female. E is the brother and hence male F is the son and hence male.

So, there are four males.

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Filed Under: Blood Relations

1 4695

Q:

If two line pa + b = 2 and 3a + b = 4 are parallel to each other, then what is the value of p ?

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

Answer & Explanation Answer: C) 3

Explanation:

Given two lines are parallel

pa+b=2

b=-pa+2..........(1)

3a+b=4

b=-3a+4 ...........(2)

m₁ = -p

m₂= -3

The condition for the two lines to be parallel is m₁=m₂

p = 3

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Filed Under: Arithmetical Reasoning
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11 4692

Q:

Find the one which does not belong to that group ?

A) Neice	B) Daughter
C) Daughter-in-law	D) Mother

Answer & Explanation Answer: C) Daughter-in-law

Explanation:

All are blood relation except Daughter-in-law.

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Filed Under: Blood Relations
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6 4691

Q:

a _ c _ abb _ a _ bc _ bc _ ab

A) c b c a a a	B) b c c c a b
C) b c c a a c	D) a c b a b c

Answer & Explanation Answer: C) b c c a a c

Explanation:

The series is a b c c a b | b c a a b c | a b c c a b

Here, the pattern a b c c a b | b c a a b c is repeated alternatively.

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Filed Under: Number Series

4 4691

Q:

In the following question a letter-series is given, in which some letters are missing. The missing letters are given in the proper sequence as one of the alternatives. Choose the correct alternatives. ab __ d __ aaba __ na _ badna _ b

A) andaa	B) babda
C) dbanb	D) badna

Answer & Explanation Answer: A) andaa

Explanation:

The series is abadna/abadna/abadna/ab.
The pattern 'abadna' is repeated

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Filed Under: Number Series

5 4687

Q:

In the following questions a letter-series is given, in which some letters are missing. The missing letters are given in the proper sequence as one of the alternatives. Choose the correct alternatives. _ nmmn _ mmnn _ mnnm _

A) mnnm	B) nmmn
C) nmnm	D) nnmm

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