3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

A Child has 1200 five rupee coins. He wants to place them in such a way that the number of rows and the number of columns remains the same. What is the minimum number of coins that he needs more for this purpose?

A) 125	B) 96
C) 35	D) 25

Answer & Explanation Answer: D) 25

Explanation:

We know that, to be in the form that the number of rows and the number of columns to be equal the number should be a perfect square ( $a^{2}$ ).

Given number is 1200

The perfect number which is above and near to 1200 is 1225 which is 35 $\times$ 35.

Therefore, The minimum number of coins he need is 25.

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Filed Under: Arithmetical Reasoning
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12 3663

Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

?, YZ, DE, JK

A) VU	B) UV
C) TU	D) TS

Answer & Explanation Answer: B) UV

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

4 3655

Q:

In a group of buffaloes and ducks the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group ?

A) 6	B) 18
C) 12	D) 24

Answer & Explanation Answer: C) 12

Explanation:

Let the number of buffaloes be x

and number of ducks be y.

Now, number of heads = x+y

Number of legs = 4x+2y .......(1)

But given that legs = 2(x+y)+24 ......(2)

solving (1) & (2),we get

4x+2y=2x+2y+24

--> x=12.

Therefore number of buffaloes =12

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Filed Under: Mathematical Operations
Exam Prep: CAT

32 3653

Q:

Which of the following means O is a father of two children ?

A) O @ M # N	B) O # N # M
C) O @ N # M	D) N # O $ M

Answer & Explanation Answer: C) O @ N # M

Explanation:

O @ N # M means O is the father of N who is the sister of M i.e. O is a father of two children.

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Filed Under: Blood Relations
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2 3652

Q:

In a certain code language, "RAINBOW" is written as "1987645" and "SNAP" is written as "3790". How is "PIANO" written in that code language?

A) 8976	B) 8947
C) 8974	D) 8977

Answer & Explanation Answer: C) 8974

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 3652

Q:

Can you find the next number in the sequence "0, 1, 4, 7, 8, 5, 2, 3, 6, 9, 9, 6, 3, 2, 5, 8, 7, 4, 1, 0, 0, …" ?

A) 0	B) 1
C) 4	D) 7

Answer & Explanation Answer: B) 1

Explanation:

The pattern follows the palindrome sequence.

Here the digits 0 1 4 7 8 5 8 3 6 9 9 6 3 8 5 8 7 4 1 0 0 1 4 7 ...

So the next digit in the sequence is 1.

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Filed Under: Number Series
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10 3648

Q:

Find the one which does not belong to that group ?

A) America : Dollar	B) India : Rupee
C) Australia : Pound	D) Japan : Yen

Answer & Explanation Answer: C) Australia : Pound

Explanation:

Except Austriala : Pound, all others are correction combination of country and its currency.

Australian currency is Australian Dollar.

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Filed Under: Analogy
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7 3648

Q:

In the following question, select the missing number from the given series.
3, 8, 5, 27, 8, 64, 12, 125, 17, ?

A) 216	B) 361
C) 625	D) 441

Verbal Reasoning - Mental Ability Questions

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