3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

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

1. Warp

2. Warrior

3. Wary

4. Wash

5. Wallet

A) 51234	B) 54123
C) 12543	D) 34521

Answer & Explanation Answer: A) 51234

Explanation:

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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

2 14984

Q:

Find the Value of ?

${(5.11)}^{2.2} + {(5.55)}^{3.3} + {(6.3)}^{1.4} + {(7.2)}^{2.001} = ? x 3.34$

A) 81	B) 77
C) 73	D) 89

Answer & Explanation Answer: D) 89

Explanation:

This can be done in a method called Approximation.

Now,

$5^{2} + 6^{3} + 6 + 7^{2} = ? x 3.34 25 + 216 + 6 + 49 = ? x 3.34 296 = ? x 3.34 ? = \frac{296}{3.34} = 88.622 ≅ 89$

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Filed Under: Mathematical Operations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

25 14980

Q:

Arrange the following words as per order in the dictionary

1. Diffident

2. Difficult

3.Different

4.Diffidence

A) 1,2,3,4	B) 3,2,4,1
C) 2,1,3,4	D) 3,2,1,4

Answer & Explanation Answer: D) 3,2,1,4

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability

0 14920

Q:

A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family. Which of the following is definitely a group of male members ?

A) QU	B) QUT
C) QUP	D) UT

Answer & Explanation Answer: A) QU

Explanation:

Q, the Doctor, is the father of T. S, the Housewife, is the grandmother of T and hence the mother of Q. Since there are only two married couples one being that of Q, the grandfather of R. i.e, U must be married to S. Thus, R and T will be both children of Q and these must be the students So, P, who remains, shall be the wife of Q and she alone can be the nurse. Thus, U must be the contractor

Clearly, for definite the males are Q, the father and U, the grandfather

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Filed Under: Blood Relations

61 14913

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : Legumes revive the soil fertility.

Reason (R) : Microbes in the root nodules of legumes fix the atmospheric nitrogen.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

The root nodules of leguminous plants contain certain nitrogen fixing bacteria which absorb the atmospheric nitrogen and convert it into nitrogeneous compounds useful for the plants reviving soil fertility.

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Filed Under: Assertion and Reason

11 14896

Q:

If wall is called window, window is called door, door is called floor, floor is callled roof and roof is callled ventilator, what will a person stand on ?

A) Window	B) Wall
C) Floor	D) Roof

Answer & Explanation Answer: D) Roof

Explanation:

A person will stand on the 'floor' and 'floor' is called 'roof'.

So, a person will stand on the 'roof'.

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Filed Under: Coding and Decoding

57 14858

Q:

Which of the following Venn diagrams correctly represents the following classes:

Karnataka, India, Asia

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: B) 2

Explanation:

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

0 14846

Q:

Find out the wrong term in the series 0, 2, 3, 5, 8, 10, 15, 18, 24, 26, 35

A) 18	B) 35
C) 24	D) 8

Answer & Explanation Answer: A) 18

Explanation:

The given sequence is a combination of two series:
i)0, 3, 8, 15, 24, 35
ii)2, 5, 10, 18, 26
The pattern in both i, ii is +3, +5, +7, . . . .
So, in ii) 18 is wrong and must be replaced by (10 + 7) = 17

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Filed Under: Number Series

63 14845

Verbal Reasoning - Mental Ability Questions

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