3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

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

Assertion(A) : An iron ball floats on mercury but gets immersed in water.

Reason (R) : The specific gravity of iron is more than that of mercury.

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: C) A is true but R is false.

Explanation:

Iron with specific gravity less than that of mercury but more than that of water, floats in the former but gets immersed in the second

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Filed Under: Assertion and Reason

6 12848

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 12838

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
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

9 12822

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 12808

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 12794

Q:

Consider the following information and answer the questions based on it

Out of 50 kids in a colony, 10 like only basketball, 25 like only football, 10 like both volleyball and football and 5 like only volleyball.

How many kids do not like volleyball?

A) 15	B) 25
C) 35	D) 45

Answer & Explanation Answer: C) 35

Explanation:

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

1 12780

Q:

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

Assertion (A) : Most of the Himalayan rivers are perennial.

Reason (R) : They are fed by melting snow.

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:

Most Himalayan rivers originating in Himalayan peaks are perennial because they are fed by the melting snow throughout the year.

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Filed Under: Assertion and Reason

8 12776

Q:

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

French, German, Spanish, Languages

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

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