3100+ Mental Ability Reasoning Questions and Answers with Explanation

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

Clearly, for definite the males are Q, the father and U, the grandfather

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Filed Under: Blood Relations

61 14929

Q:

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

1. Lighten

2. Liftoff

3. Lemonade

4. Leisure

5. Ladie

A) 32451	B) 21345
C) 13245	D) 54321

Answer & Explanation Answer: D) 54321

Explanation:

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

1 14887

Q:

5x - 6 = 3x - 8

Solve the above equation.

A) 2	B) -1
C) -2	D) 1

Answer & Explanation Answer: B) -1

Explanation:

Given 5x - 6 = 3x - 8

5x - 3x = -8 + 6

2x = -2

=> x = -1.

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Filed Under: Mathematical Operations
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

23 14878

Q:

If wall is called window, window is called door, door is called floor, floor is callled roof and roof is callled ventilator, what will a person stand on ?

A) Window	B) Wall
C) Floor	D) Roof

Answer & Explanation Answer: D) Roof

Explanation:

A person will stand on the 'floor' and 'floor' is called 'roof'.

So, a person will stand on the 'roof'.

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Filed Under: Coding and Decoding

57 14871

Q:

Find out the wrong term in the series 0, 2, 3, 5, 8, 10, 15, 18, 24, 26, 35

A) 18	B) 35
C) 24	D) 8

Answer & Explanation Answer: A) 18

Explanation:

The given sequence is a combination of two series:
i)0, 3, 8, 15, 24, 35
ii)2, 5, 10, 18, 26
The pattern in both i, ii is +3, +5, +7, . . . .
So, in ii) 18 is wrong and must be replaced by (10 + 7) = 17

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Filed Under: Number Series

63 14862

Q:

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

1. Circumstances

2. Circulate

3. Circumference

4. Circular

5. Circulation

A) 54213	B) 42531
C) 35214	D) 12534

Answer & Explanation Answer: B) 42531

Explanation:

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

1 14860

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) Grandmother
C) Grandfather	D) Grandfather or Grandmother

Answer & Explanation Answer: D) Grandfather or Grandmother

Explanation:

S is daughter of P and sister of T. So, T is daughter of P.

Now, the sister of P is the daughter of M. This means that P is also the daughter of M. Clearly, T is the granddaughter of M.

So, M is the Grandfather or Grandmother of T.

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Filed Under: Blood Relations

18 14834

Q:

Which day of the last week did Satish meet Kapil at Kapil's residence ?

I. Kapil was out of town from Monday to Wednesday. lie returned on Thursday morning.

II. On Friday night Satish telephoned his friend to inform that only yesterday he had got approval of Kapil after personally explaining to him all the details

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: B) If the data in statement II alone are sufficient answer the question

Explanation:

Statement II reveals that Satish met his friend Kapil on the day prior to Friday i.e, Thursday.

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