3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ?

A) 20 years	B) 22 years
C) 25 years	D) 27 years

Answer & Explanation Answer: C) 25 years

Explanation:

Let Varun's age today = x years.

Then, Varun's age after 1 year = (x + 1) years.

Therefore x + 1 = 2 (x - 12) => x + 1 = 2x - 24 => x = 25.

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Filed Under: Arithmetical Reasoning

323 41544

Q:

In the following question, select the missing number from the given series.

13, 17, 26, 42, 67, ?

A) 99	B) 90
C) 103	D) 94

Answer & Explanation Answer: C) 103

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

5 41544

Q:

Modern : Antiquated :: Weak : ?

A) Strong	B) Fragile
C) Inadequate	D) Puny

Answer & Explanation Answer: A) Strong

Explanation:

Modern is used to refer to something new whereas antiquated is used with respect to something old.

In other words, both terms are the opposite of each other.

From the above analysis, the missing word should be a word that represents the opposite of weak. Strong is used to with great influence. Therefore, the apt word is strong or any synonym of strong like potent, powerful, keen,...

Hence, Modern : Antiquated :: Weak : Strong.

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Filed Under: Analogy
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27 41498

Q:

A is the brother of B. B is the brother of C. D is the father of A. Based on these three statements, which of the following statements cannot be definitely true ?

A) B is the brother of A.	B) B is the son of D.
C) A is the brother of C.	D) C is the brother of A.

Answer & Explanation Answer: D) C is the brother of A.

Explanation:

A is the brother of B and B is the brother of C. So, C may be the brother or sister of A.

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Filed Under: Blood Relations

98 41493

Q:

Insert the missing character marked as '?'.

A) 15	B) 18
C) 19	D) 20

Answer & Explanation Answer: B) 18

Explanation:

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

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

Lion : Den : : ? : ?

A) Horse : Stable	B) Cow : Grass
C) Lion : Carnivorous	D) Rabbit : Carrot

Answer & Explanation Answer: A) Horse : Stable

Explanation:

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Filed Under: Analogy
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Q:

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

TC : NF : : QM : ?

A) JY	B) IY
C) HY	D) KP

Answer & Explanation Answer: D) KP

Explanation:

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Filed Under: Analogy
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Q:

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

6 x 18 + 40 ÷ 30 - 10 = 20

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

Verbal Reasoning - Mental Ability Questions

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