3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Play is to actor as concert is to

A) Musician	B) percussion
C) symphony	D) piano

Answer & Explanation Answer: A) Musician

Explanation:

An actor performs in a play. A musician performs at a concert.

Choices b, c, and d are incorrect because none is people who perform.

Hence, Play is to actor as concert is to Musician.

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Filed Under: Analogy
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10 14530

Q:

How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number?

8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

A) 2	B) 3
C) 4	D) 5

Answer & Explanation Answer: C) 4

Explanation:

We have to find out even number - even number - odd number sequence.

8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

There are four such such even numbers: 6,8,2 and 8.

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Filed Under: Number, Ranking and Time Sequence Test
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46 14495

Q:

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

Assertion(A) : When common salt is kept open, it absorbs moisture from the air.

Reason (R) : Common salt contains magnesium chloride.

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:

Magnesium chloride present in common salt is a deliquescent substance i.e. it absorbs moisture from the air when kept in open.

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Filed Under: Assertion and Reason

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Q:

In a class of 50 students M is eighth from top. H is 20th from bottom. How many students are there between M and H?

A) 22	B) 23
C) 24	D) can't be determined

Answer & Explanation Answer: A) 22

Explanation:

M is 8th from the top.

H is (50 - 20 + 1 =) 31 st from the top.

Number of students between M and H = (31 - 8- 1=)22

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Filed Under: Number, Ranking and Time Sequence Test
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43 14480

Q:

Identify the diagram that best represents the relationship among the given classes.

Earth, Saturn, Planet, Star

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

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: Logical Venn Diagram
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1 14424

Q:

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

Assertion (A) : There is no vaccine for AIDS.

Resson (R) : The AIDS virus changes its genetic code

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:

A vaccine contains the inactivated germs of the disease. But the AIDS virus changes its genetic code and so on vaccine has been invented for it.

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Filed Under: Assertion and Reason

9 14374

Q:

The following questions are based on the information given below

In a school of 4000 students 3000 know English, 2000 know French and 5000 know Hindi, 1500 know French and English, 300 know French and Hindi, 200 know English and Hindi and 50 know all the three languages.

How many know only two languages?

A) 450	B) 500
C) 1850	D) 1580

Answer & Explanation Answer: C) 1850

Explanation:

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Filed Under: Logical Venn Diagram
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Q:

Study the following information carefully and answer the questions given below it.

There are 6 persons in a family. Chitra is the sister of Rakesh. Badhri is the brother of Eniya's husband. Dilip is the father of Arun and grandfather of Rakesh. There are two fathers, three bothers and a mother in the group.

How many male members are there in the family?

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

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