3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

If $13 ∆ 3 = 20, 12 ∆ 7 = 10 and 12 ∆ 5 = 14$ then find the value of $16 ∆ 2$ ?

A) 14	B) 4
C) 28	D) 8

Answer & Explanation Answer: C) 28

Explanation:

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Filed Under: Coding and Decoding
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6 3409

Q:

That which cannot be corrected

A) Incorrigible	B) Illegible
C) Illegal	D) Indelible

Answer & Explanation Answer: A) Incorrigible

Explanation:

The One-word substitute for That which cannot be corrected is Incorrigible.

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Filed Under: Alphabet Test
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4 3407

Q:

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. D-4, F-6, H-8, J-10, ?, ?

A) L-12,N-14	B) K-12, M-14
C) K-14, M-14	D) K-12, M-14

Answer & Explanation Answer: A) L-12,N-14

Explanation:

The letters are alternate and the numbers indicate their position in the alphabet from the beginning.

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Filed Under: Number Series

3 3407

Q:

The following groups of alphabets form a certain pattern with regard to their position in the English alphabetical series. Based upon the pattern, which of the following five alternatives shall replace the question mark?

A) OOP	B) PPP
C) SNO	D) QLM

Answer & Explanation Answer: B) PPP

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability
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6 3399

Q:

Negative divided by Negative

A) -ve	B) +ve
C) 0	D) Can't be determined

Answer & Explanation Answer: B) +ve

Explanation:

We know the Mathematical rules that

$\frac{+}{+} = + \frac{+}{-} = - \frac{-}{+} = - \frac{-}{-} = +$

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Filed Under: Arithmetical Reasoning
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8 3397

Q:

Who among the following economists gave the concept of "economies of scale". Which says "many goods and services can be produced more cheaply in long series"?

A) Edward C.Prescott	B) Amartya Sen
C) Gray S.Becker	D) Paul Krugman

Answer & Explanation Answer: D) Paul Krugman

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability
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4 3396

Q:

The sum of the first 10 prime numbers is

A) even	B) odd
C) 0	D) none

Answer & Explanation Answer: B) odd

Explanation:

To find the sum of first 10 prime numbers

First 10 prime numbers = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Hence, The sum of the first 10 prime numbers is

(2+3+5+7+11+13+17+19+23+29) = 129 (ODD Number).

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Filed Under: Arithmetical Reasoning
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5 3375

Q:

The process of collecting, organizing and analyzing data is called

A) Statistics	B) Data collection
C) Probability	D) Systematic evaluation

Answer & Explanation Answer: A) Statistics

Explanation:

The process of collecting, organizing and analyzing data is called Statistics.

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Verbal Reasoning - Mental Ability Questions

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