3100+ Mental Ability Reasoning Questions and Answers with Explanation

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 57009

Q:

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

Ganga : India : : Nile : ?

A) Pakistan	B) Egypt
C) America	D) United Kingdom

Answer & Explanation Answer: B) Egypt

Explanation:

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT

0 56978

Q:

Select the related number from the given alternatives.

2.25 : 13/4 :: 3.75 : ?

A) 17/4	B) 19/4
C) 15/4	D) 11/4

Answer & Explanation Answer: B) 19/4

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

1 55773

Q:

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

HER : SVI : : MET : ?

A) AVT	B) RKG
C) NVG	D) LVA

Answer & Explanation Answer: C) NVG

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

0 55562

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 55002

Q:

Arrange the given words in the sequence in which they occur in the dictionary.

1. Pragmatic
2. Protect
3. Pastel
4. Postal
5. Pebble

A) 43521	B) 35412
C) 34512	D) 43512

Answer & Explanation Answer: B) 35412

Explanation:

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Filed Under: Logical Sequence of Words
Exam Prep: AIEEE , Bank Exams , CAT

2 54787

Q:

Pointing to a lady, a man said, "The son of her only brother is the brother of my wife." How is the lady related to the man ?

A) Mother's sister	B) Grandmother
C) Mother-in-law	D) Sister of father-in-law

Answer & Explanation Answer: D) Sister of father-in-law

Explanation:

Brother of my wife — My brother.in-law; Son of lady's brother is the brother-in-law of the man.

So lady's brother is man's father-in-law

i.e., the lady is the sister of man's father-in-law.

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577 54760

Q:

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

Deep: Shallow::Ocean: _______

A) Pond	B) Depth
C) Well	D) Spring

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