3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

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

6, 9 , 15, 24, 39, 63, ?

A) 97	B) 102
C) 115	D) 127

Answer & Explanation Answer: B) 102

Explanation:

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT

1 14937

Q:

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

2, 4, 13, 41, 106, ?

A) 172	B) 191
C) 219	D) 232

Answer & Explanation Answer: D) 232

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

17 14929

Q:

Rohit, 'Kajal, Tanmay and Suman are four friends. Who is the oldest among them ?

I. The total age of Kajol and Tanmay together is more than that of Suman.

II. The total age of Rohit and Kajol together is less than that of Suntan.

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:

From given statements, we find that K + T > S and R - K <S.

Thus. who is oldest is not known

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Filed Under: Data Sufficiency

11 14850

Q:

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

i. Next
ii. Noisy
iii. Neutral
iv. Neither

A) iii, iv, i, ii	B) i, iv, iii, ii
C) ii, iii, i, iv	D) iv, iii, i, ii

Answer & Explanation Answer: D) iv, iii, i, ii

Explanation:

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

0 14847

Q:

What will come in place of the question mark (?) in the given question?

452 + 312 ÷ 13 = 34 * ?

A) 18	B) 32
C) 26	D) 28

Answer & Explanation Answer:

Explanation:

452 + 312 ÷ 13 = 34 * ?

=> 452 + 312/13 = 34 * x

=> 452 + 24 = 34 * x

=> x = 476/34 = 14

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0 14815

Q:

How many sons does X have ?

I. Q and U are brothers of T.

II. R is sister of P and U.

III. R and T are daughters of X.

A) I and 11 only	B) I, II and III together
C) II and III together	D) I, II and III together are not sufficient

Answer & Explanation Answer: D) I, II and III together are not sufficient

Explanation:

The information given in the three statements together is also not sufficient to answer the given question.

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Filed Under: Data Sufficiency

5 14810

Q:

Arrange the following words as per order in the dictionary

1. Follicle

2.Folk

3.Follow

4.Foliage

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

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

Explanation:

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

2 14709

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

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