3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

I travel 20 miles towards north and then travel 25 miles eastward. I then travel 40 miles rightwards, then travel 30 miles towards left and then travels 12 miles to the left and finally 20 miles northwards. How far am i pproximately from my original destination and in what direction ?

A) 20 miles towards south	B) 13 miles towards south-west
C) 12 miles towards east	D) 13 miles towards north-east

Answer & Explanation Answer: B) 13 miles towards south-west

Explanation:

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Using pythagorus rule,

$x^{2} = 12^{2} + 5^{2}$

--> x = 13

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Filed Under: Direction Sense Test
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39 12905

Q:

If the position of the first letter of English alphabet is interchanged with the position of the fourteenth letter, second letter with fifteenth letter, and so on, in such a way that M is interchanged with Z, then which of the following letters will be 7th to the right of 13th letter from the right?

A) U	B) G
C) H	D) I

Answer & Explanation Answer: C) H

Explanation:

It means that the first half of the alphabet is interchanged with second half of the alphabet. After making changes, nth letter from the left will be (n + 13)th letter of original series, ie English alphabet; If n is less than 14. But if n is more than 13, nth letter from left will be (n - 13)th letter from left.
In the given equation, we have to find out (13 - 7 =) 6th letter from right => (26 - 6 + 1 =) 21st letter from the left. Hence, required letter's position is more than 13; therefore the required letter is (21 - 13 =) 8th letter from left of original series, ie H.

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Filed Under: Alphabet Test

28 12868

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion(A) : Tamil Nadu gets most of the rainfall in winter.

Reason (R) : Tamil Nadu gets rainfall from retreating monsoons.

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:

Rainfall in Tamil Nadu is caused by the retreating monsoons which occur in winter.

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Filed Under: Assertion and Reason

7 12868

Q:

Race : Fatigue :: Fast : ?

A) Weakness	B) Hunger
C) Appetite	D) Food

Answer & Explanation Answer: B) Hunger

Explanation:

First causes the second. Here Race causes Fatigue and similarly, Fast causes Hunger.

Hence, Race : Fatigue :: Fast : Hunger.

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Filed Under: Analogy
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9 12865

Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. AZ, GT, MN, ?, YB

A) TS	B) SH
C) KF	D) RX

Answer & Explanation Answer: B) SH

Explanation:

First letter moves 6 steps forward. Second letter moves 6 steps backward.

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Filed Under: Number Series

67 12813

Q:

If in a certain code language PREMONITION is written as 68530492904, how will the word MONITOR be written in that code language?

A) 1234567	B) 3049208
C) 3029408	D) 3049258

Answer & Explanation Answer: B) 3049208

Explanation:

Letters of the word PREMONITION are coded as follows:

Letters : P R E M O N I T I O N

Code: 6 8 5 3 0 4 9 2 9 0 4

See the code below Is and Ns. Codes for I and N are 9 and 4 respectively. This indicates that the digits below each letters represent its code. Therefore, code for the word MONITOR is 3049208

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Filed Under: Coding and Decoding

57 12812

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : In India, people elect their own representatives.

Reason (R) : India is a democracy.

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:

India, being a democracy, it is a government run by the representatives elected by its people

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Filed Under: Assertion and Reason

4 12749

Q:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

DEW, ZAS, VWO, RSK, ?

A) MPH	B) NOG
C) LME	D) PQI

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