If 5 is coded as 25, 6 as 36, 7 as 49, then 8 is coded as? MCQ with Answer and Explanation

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If 5 is coded as 25, 6 as 36, 7 as 49, then 8 is coded as?

A. 81

B. 56

C. 72

D. 64

Answer: Option D

Solution (By JKSSB Mock Tests)

The code is n²: 5²=25, 6²=36, 7²=49, so 8²=64.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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In a row of 30 students, Ravi is 7th from the left. What is his position from the right?

A. 22

B. 25

C. 23

D. 24

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Correct Answer: Option D

Explanation:
Position from right = Total - Position from left + 1 = 30 - 7 + 1 = 24.

This question belongs to: Reasoning Mental Reasoning

Question #2

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Pointing to a girl, a man said, 'She is the daughter of the only child of my father.' How is the man related to the girl?

A. Grandfather

B. Father

C. Uncle

D. Brother

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Correct Answer: Option B

Explanation:
Only child of my father is the man himself. She is the daughter of the man. Hence father.

This question belongs to: Reasoning Mental Reasoning

Question #3

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Find the next term: 1, 4, 9, 16, 25, ?

A. 42

B. 36

C. 30

D. 49

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Correct Answer: Option B

Explanation:
The terms are squares of natural numbers: 1,2,3,4,5. Next term = 6^2 = 36.

This question belongs to: Reasoning Mental Reasoning

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