3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

At what time will B catch up with A, if A starts from a place at 11.00 A.M. and travels at a speed of 3.5 kmph, B starts at 1.00 P.M. and travels with speeds of 1 kmph for 1 hour, 2 kmph for the next 1 hour, 3 kmph for the next 1 hour and so on.

A) 8 : 47 pm	B) 6 : 40 pm
C) 8 : 42 pm	D) 7 : 40 pm

Answer & Explanation Answer: D) 7 : 40 pm

Explanation:

At 1 pm ... Distance between A and B = 2x3.5 = 7 kms
at 2 pm .....Distance between A and B = 7 + 3.5 - 1 = 9.5 kms
At 3 pm ....Distance between A and B = 9.5 + 3.5 - 2 = 11 kms.
..
..
..
At 7 pm distance between A and B = 3 kms.
From 7 pm to 8 pm, speed of A = 3.5 kmph
speed of B = 8 kmph
Relative speed = 4.5 kmph

Time taken by B to meet A = 3/4.5 hrs = 30/45 hrs = 120/3 mins = 40 mins.

So meeting time is 7 : 40 PM.

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Filed Under: Arithmetical Reasoning
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2 5891

Q:

In a certain code language, "GOAT" is written as "45" and "COAT" is written as "41". How is "BOAT" written in that code language?

A) 40	B) 41
C) 42	D) 43

Answer & Explanation Answer: A) 40

Explanation:

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Filed Under: Coding and Decoding

15 5871

Q:

Mastic : Gum : : Suet : ?

A) Fur	B) Hide
C) Fat	D) Milk

Answer & Explanation Answer: C) Fat

Explanation:

Mastic is a gum obtained from plants and suet is a fat obtained from animals.

Hence, Mastic : Gum :: Suet : Fat.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk

3 5865

Q:

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

Computer hardware, Monitor, Keyboard, Operating system

1)

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

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

2 5863

Q:

Pointing towards a photograph kiran said to chotu, "I am the only daughter of this lady and her son is your maternal uncle " How is the kiran related to chotu's father ?

A) Cousin	B) Daughter
C) Sister	D) Wife

Answer & Explanation Answer: D) Wife

Explanation:

cpVU4AOGE7K85NoCI0.34923100_1496466517.png image

So, the speaker is the mother of chotu. Kiran is wife of chotu's father. Chotu's father is not shown in the diagram.

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Filed Under: Blood Relations
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4 5863

Q:

From the given alternatives, according to dictionary, which word will come at SECOND position?

1. Budge

2. Bulb

3. Cannon

4. Bumper

5. Capable

A) Bumper	B) Bulb
C) Budge	D) Capable

Answer & Explanation Answer: B) Bulb

Explanation:

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

0 5846

Q:

The sum of three numbers is 98. If the ratio of the first to the second is 2:3. And that of the second to the third is 5:8, then the second number is:

A) 30	B) 27
C) 23	D) 33

Answer & Explanation Answer: A) 30

Explanation:

Then, A:B = 2:3 and B:C = 5:8
= (5 x 3/5) : (8 x 3/5) = 3:24/5
A:B:C = 2:3:24/5
= 10:15:24 => B = 98 x 15/49 = 30.

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5 5844

Q:

How many numbers amogst the numbers 9 to 54 are there which are exactly divisible by 9 but not by 3 ?

A) 5	B) 6
C) 0	D) 9

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