3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

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

Assertion (A) : Clothes are not washed properly in hard water.

Reason (A) : Hard water contains many minerals.

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:

Clothes are not washed properly in hard water because it does not form lather with soap. However, it is true that hard water contains many minerals.

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Filed Under: Assertion and Reason

1 11060

Q:

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

Reptiles, Lizard, Lion

1)

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

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: Logical Venn Diagram

10 11047

Q:

Find the number which will complete the following series.

0, 1, 8, 27, ?

A) 25	B) 16
C) 125	D) 64

Answer & Explanation Answer: D) 64

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

3 11001

Q:

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

Assertion (A) : Most of the Himalayan rivers are perennial.

Reason (R) : They are fed by melting snow.

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:

Most Himalayan rivers originating in Himalayan peaks are perennial because they are fed by the melting snow throughout the year.

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Filed Under: Assertion and Reason

8 10941

Q:

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

Assertion (A) : Red colour of blood is due to haemoglobin.

Reason (R) : Haemoglobin is a red pigment.

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:

Haemoglobin is the blood pigment that imparts red colour to the blood.

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Filed Under: Assertion and Reason

3 10925

Q:

A, B, C, D and E are sitting in a row. B is between A and K Who among them is in the middle ?

I. A is left of 13 and right of D.

II.C is at the right end.

A) If the data in statement I alone are sufficient to answer the question	B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question;	D) If the data in both the statements together are needed.

Answer & Explanation Answer: D) If the data in both the statements together are needed.

Explanation:

Clearly, we have the order : A. a E. From I, we have the order : D, A, B. E.

From II, we get the complete sequence as D, A, B. E, C.

Clearly. B is in the middle. So, both I and II are required.

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Filed Under: Data Sufficiency

2 10884

Q:

Find out the wrong term in the series 3, 7, 15, 39, 63, 127, 255, 511

A) 39	B) 255
C) 127	D) 63

Answer & Explanation Answer: A) 39

Explanation:

The correct pattern is *2+1
So, 39 is wrong and must be replaced by (15 * 2 + 1) = 31

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Filed Under: Number Series

21 10863

Q:

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

Cosmetics, Talc, Eyeliner

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

Verbal Reasoning - Mental Ability Questions

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