3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Rotate : Energy :: Stop : ?

A) Spin	B) Break
C) Inertia	D) None

Answer & Explanation Answer: C) Inertia

Explanation:

To rotate is to energy to stop is to inertia. From the definition itself we know that inertia is a property by virtue of which a body continues to be in the state of rest or in state of motion. So over here whenever energy is supplied then the body starts to move that is a displacement is there and it is rotating where as whenever the body is stopped an inertia of rest is created.

So, Rotate : Energy :: Stop : Inertia.

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42 40728

Q:

In the following question, select the related number pair from the given alternatives.

31 : 42 : : ? : ?

A) 53 : 64	B) 47 : 59
C) 61 : 73	D) 44 : 34

Answer & Explanation Answer: A) 53 : 64

Explanation:

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Q:

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

16 ÷ 6 + 35 x 9 - 15 = 31

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

Answer & Explanation Answer: C) ÷ and -

Explanation:

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1 40700

Q:

What is to be replaced in place of '?' in the following series ?

$A_{2} B C, ?, A B C_{4}, A_{5} B C$

A) $A_{3} B C$

B) $A B C_{3}$

C) $A B_{3} C$

D) $A_{2} B_{3} C_{4}$

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

Answer & Explanation Answer: C) Option C

Explanation:

Because the letters are the same, concentrate on the number series, which is a simple 2, 3, 4, 5, 6 series, and follows each letter in order.

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6 40693

Q:

Select the related word/letters/numbers from the given alternatives:

Magazine : Editor :: Drama : ?

A) Director	B) Hero
C) Heroine	D) Painter

Answer & Explanation Answer: A) Director

Explanation:

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Q:

Select the related word/letters/numbers from the given alternatives:

5 : 30 :: 7 : ?

A) 54	B) 50
C) 49	D) 56

Answer & Explanation Answer: D) 56

Explanation:

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Q:

Select the related word/letters/number from the given alternatives.

Entomology : Insects:: Seismology: ?

A) Man	B) Fossils
C) Earthquakes	D) Diseases

Answer & Explanation Answer: C) Earthquakes

Explanation:

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0 40666

Q:

P, Q, R, S, T, U, V and W are sitting round the circle and are facing the centre:
P is second to the right of T who is the neighbour of R and V.
S is not the neighbour of P.
V is the neighbour of U.
Q is not between S and W. W is not between U and S.

Then Who is sitting opposite to U ?

A) Q	B) P
C) R	D) W

Answer & Explanation Answer: B) P

Explanation:

From the given information, the sitting arrangement can be

P-Q-W-S-U-V-T-R i.e. in circular as

p11487572312.jpg image

From the above figure it is clear that opposite to U is P.

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