3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

A & B are married couple. X and Y are brothers. X is the brother of A. How is Y related to B?

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

Answer & Explanation Answer: A) Brother-in-law

Explanation:

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Filed Under: Blood Relations
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Q:

Introducing a boy, Amar said, "He is the son of my maternal grandfather's son." How is that boy related to Amar?

A) Maternal uncle	B) Nephew
C) Brother	D) Cousin

Answer & Explanation Answer: D) Cousin

Explanation:

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Filed Under: Blood Relations
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Q:

In a row of boys, Rahul is 19th from top and Ajay is 21st from bottom. They interchange their position. Ajay now becomes 28th from bottom. Howmany total boys are there in the row?

A) 47	B) 46
C) 45	D) 48

Answer & Explanation Answer: B) 46

Explanation:

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Filed Under: Number, Ranking and Time Sequence Test

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Q:

Name a pair of complementary angles?

name_a_pair_of_complementary_angles1535013814.png image

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

Answer & Explanation Answer: D) B + A

Explanation:

Complementary angles are those whose sum is 90.

Given here, is a right angled triangle, where anfle C is 90 deg. In this, sum of Angles A + C = 90, since, sum of angles in a right angled triangle = 180, angle C = 90 and

hence sum of A + B = 180 - C = 180 - 90 = 90.

Hence, the pair of cimplementary angles in the given triangle = Angle A + B.

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Filed Under: Arithmetical Reasoning
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2 2782

Q:

In a row of people Manu is 7th from bottom end of row. Shrey is 10 ranks above Manu. If Shrey is 8th from top end, then how many people are there in this row?

A) 25	B) 26
C) 24	D) 23

Answer & Explanation Answer: D) 23

Explanation:

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Filed Under: Number, Ranking and Time Sequence Test
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Q:

Can you Solve $7 + 7 \div 7 + 7 x 7 + 7 - 7 \div 7 + 7 x 7$ =

A) 112	B) 56
C) 0	D) 98

Answer & Explanation Answer: A) 112

Explanation:

$7 + 7 \div 7 + 7 x 7 + 7 - 7 \div 7 + 7 x 7 = 7 + 1 + 49 + 7 - 1 + 49 = 8 + 56 + 48 = 56 + 56 = 112$

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Filed Under: Mathematical Operations
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Q:

Introducing a boy, Sia says, "He is the grandson of my father. I have no siblings." How is Sia is related to the boy?

A) Aunt	B) Grandmother
C) Mother	D) Cannot be determined

Answer & Explanation Answer: C) Mother

Explanation:

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Q:

In the following question, select the missing number from the given series.
19, 26, 45, 71, 116, ?

A) 166	B) 172
C) 184	D) 187

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