3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

I. A, B, C, D, E and F are six members of a family.

II. One couple has parents and their children in the family.

III. A is the son of C and E is the daughter of A.

IV. D is the daughter of F who is the mother of E.

Who are the male members in the family ?

A) A and C	B) C and F
C) A, B and D	D) Cannot be determined

Answer & Explanation Answer: D) Cannot be determined

Explanation:

E is the daughter of A and F is the mother of E. So, A is the father of E and hence the husband of F. Now,

D is the daughter of F. So, D and E are the daughters of A and F Also. A is the son of C.

Now, only B remains. Thus, B and C are the parents of A.

The sex of B and C cannot be determined:

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Filed Under: Blood Relations

4 40972

Q:

What letters will fill the blank?

Z, X, V, T, R, __,__

A) M, N	B) P, N
C) O, K	D) K, S

Answer & Explanation Answer: B) P, N

Explanation:

Here the letter series is alternative reverse order series. So we get P, N.

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Filed Under: Number Series

35 40309

Q:

If P means ' $\div$ ', Q means '+', R means '-' and S means 'x', then the value of

10 R 192 P 48 S 48 P 96 Q 1

A) 10	B) 9
C) 8	D) 7

Answer & Explanation Answer: B) 9

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

7 39937

Q:

Which of the following terms follows the trend of the given list?

BAAAAAAB, ABAAAAAB, AABAAAAB, AAABAAAB, AAAABAAB, _______________.

A) AAAAABAB	B) AAAAAABB
C) BAAAAAAB	D) ABAAAAAB

Answer & Explanation Answer: A) AAAAABAB

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 39860

Q:

Find the wrong number in the series

7, 28, 63, 124, 215, 342, 511

A) 28	B) 124
C) 215	D) 342

Answer & Explanation Answer: A) 28

Explanation:

Here the number follows the given rule

$2^{3} - 1, 3^{3} - 1, 4^{3} - 1, 5^{3} - 1, . . .$

But 28 has been given in problem series.

so 28 is wrong number.

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank PO

126 39827

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 39664

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

321 39566

Q:

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

FS: IT :: QT: ?

A) PR	B) TU
C) ST	D) TQ

Verbal Reasoning - Mental Ability Questions

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