3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Choose the correct alternative that will continue the same pattern and replace 'x' in series 5,15,17,85,89,623,x

A) 825	B) 759
C) 629	D) 675

Answer & Explanation Answer: C) 629

Explanation:

The pattern is *3,+2,*5,+4,*7,+6, . . . . .
So missing term is 623+6=629

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Filed Under: Number Series

16 10199

Q:

Detect an error part labelled (1), (2), (3) & (4) in the following question.

$\frac{w h o l e n o r t h e r n s t a t e s i n}{(1)} / \frac{i n d i a a r e r e e l i n g u n d e r t h e}{(2)} / \frac{d e v a s t a t i n g}{(3)} / \frac{o f t h e d r o u g h t}{(4)}$

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

Answer & Explanation Answer: A) 1

Explanation:

Error is in the first part of the sentence. 'Whole' is used with singular nouns.
The correct sentence is - 'All Northern states in India are reeling under the devastating of the drought.

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Filed Under: Verification of Truth of the statement
Exam Prep: TOEFL , GRE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

19 10167

Q:

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

Assertion (A) : Bats can fly in the night.

Reason (R) : Bats emit ultrasonics.

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:

Bats can fly in the night because they can trace the obstacle in the path by perceiving the echo of the ultrasonic sound emitted by them after it is reflected by the obstacle.

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Filed Under: Assertion and Reason

2 10166

Q:

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

Assertion (A) : a Vaccines prevent diseases.

Reason (R) : Vaccines must be given to children.

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

Explanation:

Vaccines prevent diseases by developing immunity inside the body and vaccines must be given to children to build in them a resistance against diseases.

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Filed Under: Assertion and Reason

5 10141

Q:

Among P,Q, R, S, and T,each having a different weight, R is heavier than only P. S is lighter than Q and heavier than T. Who among them is the heaviest?

A) Q	B) P
C) S	D) Data inadequate

Answer & Explanation Answer: A) Q

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams
Job Role: Bank PO

15 10141

Q:

Select the related word/letters/numbers from the given alternatives:

BDCE : GIHJ :: QSRT : ?

A) VWXY	B) UWMX
C) VXWY	D) UWNX

Answer & Explanation Answer: C) VXWY

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability

0 10105

Q:

In a certain code, '289' means 'read from paper'; '276' means 'tea from field' and '85' means 'wall paper'. Which of the following is the code for 'paper' ?

A) 2	B) 8
C) 9	D) Can't be determined

Answer & Explanation Answer: B) 8

Explanation:

Justification:

In the first and second statements, the common digit is '2' and the common word is 'from'.

So, '2' is the code for 'from'.

In the first and third statements, the common code digit is '8' and the common word is 'paper'.

So, '8' is the code for 'paper'.

As shown above, '8' is the code for 'paper'.

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Filed Under: Coding and Decoding

48 10078

Q:

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

Assertion(A) : A little gap is left between iron rails.

Reason (R) : Iron expands in summer.

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:

Verbal Reasoning - Mental Ability Questions

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