3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Each boy contribute rupees equal to the number of girls and each girl contribute rupees equal to the number of boys in a class of 60 students. If the total contribution collected is Rs.1600,how many girls are there in the class ?

A) 30	B) 25
C) 15	D) 40

Answer & Explanation Answer: D) 40

Explanation:

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Filed Under: Data Sufficiency
Exam Prep: CAT

15 6387

Q:

Simmi's father's wife's father's granddaughter's uncle will be related to Simmi as

A) Son	B) Uncle
C) Nephew	D) Grand father

Answer & Explanation Answer: B) Uncle

Explanation:

The relations may be analyzed as follows :

Father's wife - Mother; Mother's Father - Grandfather; Grandfather's granddaughter - Sister; Sister's uncle - uncle.

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Filed Under: Blood Relations

3 6381

Q:

In the case of how many letters of the word RAIMENT will their order in the word and that when the letters are arranged in the alphabetical order, remain the same?

A) None	B) One
C) Two	D) Three

Answer & Explanation Answer: D) Three

Explanation:

After the rearrangement of letters, the new order of the letters is as follows:

New Order : A E I M N R T

Given word: R A I M E N T

Clearly, positions of three letters I, M and T will remain unchanged.

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Filed Under: Alphabet Test

1 6379

Q:

The admission ticket for an exhibition bears a password which is changed after every clock hour based on set of words chosen for each day. The following is an illustration of the code and steps of rearrangement for subsequent clock hours. The time is 9 a.m. to 3 p.m.

Day's first password :

First Batch ----- 9 a.m. to 10 a.m.

is not ready cloth simple harmony burning

Second Batch ----- 10 a.m. to 11 a.m.

ready not is cloth burning harmony simple

Third Batch ----- 11 a.m. to 12 noon

cloth is not ready simple harmony burning

Fourth Batch ----- 12 noon to 1 p.m.

not is cloth ready burning harmony simple

Fifth Batch ----- 1 p.m. to 2 p.m.

ready cloth is not simple harmony burning and so on.

If the password for 11 a.m. to 12 noon was --- "soap shy miss pen yet the she", what was the password for the first batch ?

A) pen miss shy soap she the yet	B) shy miss pen soap yet the she
C) soap pen miss shy she the yet	D) miss shy soap pen she the yet

Answer & Explanation Answer: B) shy miss pen soap yet the she

Explanation:

Clearly, the given arrangement is as under :
In the first step, the first three and the last three letters are written in a reverse order.
Then, the first four and the last three letters are written in a reverse order.

The process is repeated to obtain successive output steps.

Third batch : soap shy miss pen yet the she

Second batch : pen miss shy soap she the yet

First batch : shy miss pen soap yet the she

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Filed Under: Sequential Output Tracing

34 6361

Q:

$\begin{matrix} C K & 16 & 9 & J R \\ O S & 24 & 19 & T X \\ K M & ? & ? & P V \end{matrix}$

A) 14,21	B) 21,14
C) 56,84	D) 84,56

Answer & Explanation Answer: B) 21,14

Explanation:

Putting A=1, B=2, C=3,..., M=13,....,X=24,Y=25, Z=26, we have :

$J R = \frac{J + R}{2} + 2 = \frac{10 + 18}{2} + 2 = 16$

$C K = \frac{C + K}{2} + 2 = \frac{3 + 11}{2} + 2 = 9$

$T X = \frac{T + X}{2} + 2 = \frac{20 + 24}{2} + 2 = 24$

$O S = \frac{O + S}{2} + 2 = \frac{15 + 19}{2} + 2 = 19$

So, the missing numbers are :

21 and 14

Hence, the answer is (b).

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Filed Under: Inserting The Missing Character
Exam Prep: TOEFL , GRE , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

124 6302

Q:

11M13, 13Q17, ? , 17V22 , 19W23

A) 15U21	B) 15R18
C) 15S19	D) 15T20

Answer & Explanation Answer: D) 15T20

Explanation:

In the given series

1st term has odd number starting from 11, So the Series is 11, 13, 15, 17, 19

2nd term has an alphabet follwed by its alpha numeric number in the order +4, +3, +2, +1. So the Series is M13, Q17, T20, V22, W23

Therefore, 15T20 is the answer.

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Filed Under: Number Series

8 6297

Q:

Artist is to painting as senator is to

A) politician	B) constituents
C) attorney	D) law

Answer & Explanation Answer: D) law

Explanation:

As we know that an artist makes paintings, similarly, a senator makes laws.

Hence, Artist : Painting :: Senator : Law.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

5 6293

Q:

A man is facing towards the east. He turns 270 degrees clockwise and then takes a right turn. Finally, he turns 90 degrees anticlockwise. Which direction is he facing now?

A) West	B) South
C) North	D) East

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