3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

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

Elephant : Mammal : : ? : ?

A) Crocodile : Mammal	B) Snake : Rodents
C) Rabbit : Mammal	D) Whale : Reptile

Answer & Explanation Answer: C) Rabbit : Mammal

Explanation:

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Filed Under: Analogy
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0 30190

Q:

What should come in place of question mark (?) in the following number series?

36, 18, 6, 3, 1, ?

A) 0.25	B) 1.5
C) 0.5	D) 0.75

Answer & Explanation Answer: C) 0.5

Explanation:

Given number series - 36, 18, 6, 3, 1, ?

The pattern is as follows: 36/2 = 18

18/3 = 6

6/2 = 3

3/3=1

1/2 = 0.5

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Filed Under: Number Series

1 30180

Q:

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

Truck : Vehicle : : ? : ?

A) Car : Road	B) Road : Stones
C) Scooter : Tyre	D) Green : Colour

Answer & Explanation Answer: D) Green : Colour

Explanation:

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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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78 30176

Q:

Select the missing term based on the given related pair.

A) Den	B) Shed
C) Aviary	D) Nest

Answer & Explanation Answer: A) Den

Explanation:

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1 30175

Q:

In the following question, select the related letter/letters from the given alternatives.

SRM : IHC : : ZUQ : ?

A) PKG	B) RLH
C) OJF	D) OJG

Answer & Explanation Answer: A) PKG

Explanation:

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1 30169

Q:

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

GSR : HTP : : ? : ?

A) KTU : LUW	B) CLK : DNL
C) SPM : TRO	D) RJH : SKF

Answer & Explanation Answer: D) RJH : SKF

Explanation:

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Q:

In the following question, select the related letter/letters from the given alternatives.

TMP : QJM : : PIK : ?

A) MFH	B) RHK
C) GFI	D) AHK

Verbal Reasoning - Mental Ability Questions

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