3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Q's mother is sister of P and daughter of M. S is daughter of P and sister of T.How is M related to T?

A) Father	B) Grandfather
C) Grandmother	D) Either Grandmother or Grandfather

Answer & Explanation Answer: D) Either Grandmother or Grandfather

Explanation:

Q's mother is sister of P & daughter of M.[sex of P and M are not clear]

S is daughter of P and sister of T. [sex of P and T is not clear]

M's children : Q's mother and P

P's children :S[female] and T

M is either Grandmother or Grandfather of T

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Filed Under: Blood Relations
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98 16030

Q:

Gaurav ranks eighteenth in a class. What is his rank from the last ?

I. There are 47 students in the class.

II. Jatin who ranks 10th in the same class, ranks 38th from the last.

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 even in both the statements together are not sufficient to answer the question

Answer & Explanation Answer: C) If the data either in I or II alone are sufficient to answer the question;

Explanation:

To find the rank from other end, we need to know the total number of students in the class. So. I is sufficient. Also: from II, we can conclude that there are (10 + 38- 1 = 47) students in the class.

So. II alone is also sufficient.

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Filed Under: Data Sufficiency

4 16029

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 16017

Q:

Find out the wrong term in the series 380, 188, 92, 48, 20, 8, 2

A) 20	B) 48
C) 92	D) 2

Answer & Explanation Answer: B) 48

Explanation:

The correct pattern is -192, -96, -48, -24, -12, -6
So, 48 is wrong and must be replaced by (92 - 48) = 44

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Filed Under: Number Series

54 16004

Q:

How is Rakesh related to Keshav ?

I. Tapan's wife Nisha is paternal aunt of Keshav.

II.Rakesh is the brother of a friend of Nisha.

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 even in both the statements together are not sufficient to answer the question

Answer & Explanation Answer: D) If the data even in both the statements together are not sufficient to answer the question

Explanation:

Clearly, both the statements together are not sufficient to answer the question.

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Filed Under: Data Sufficiency

4 15980

Q:

Which sentence is capitalized correctly?

A) on a cloudless night, I studied pisces, a constellation in the north sky.	B) On a cloudless night, I studied Pisces, a constellation in the North sky.
C) on a Cloudless Night, i studied Pisces, a constellation in the North Sky.	D) On a cloudless night, I studied pisces, a constellation in the north sky.

Answer & Explanation Answer: B) On a cloudless night, I studied Pisces, a constellation in the North sky.

Explanation:

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Filed Under: Verification of Truth of the statement
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14 15976

Q:

In the following question, select the missing number from the given series.

23, 29, 24, 30, 25, ?

A) 30	B) 31
C) 26	D) 28

Answer & Explanation Answer: B) 31

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

1 15970

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 is Rakesh related to Eniya?

A) Son	B) Brother
C) Uncle	D) Cousin

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