Find the next term: 100, 81, 64, 49, 36, ? MCQ with Answer and Explanation

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Find the next term: 100, 81, 64, 49, 36, ?

A. 27

B. 28

C. 30

D. 25

Answer: Option D

Solution (By JKSSB Mock Tests)

The terms are squares descending: 10^2, 9^2, 8^2, 7^2, 6^2. Next term = 5^2 = 25.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

11 : 1210 :: 12 : ?

A. 1716

B. 1440

C. 1728

D. 1584

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Correct Answer: Option D

Explanation:
The relation is n^2(n-1). 11^2 × 10 = 1210; 12^2 × 11 = 144 × 11 = 1584.

This question belongs to: Reasoning Mental Reasoning

Question #2

A person walks 10 m east, turns left and walks 5 m, then turns left and walks 10 m. How far is he from the starting point?

A. 20 m

B. 10 m

C. 5 m

D. 15 m

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Correct Answer: Option C

Explanation:
He goes 10 m east, then 5 m north, then 10 m west. He is now 5 m north of the starting point.

This question belongs to: Reasoning Mental Reasoning

Question #3

If the numbers from 1 to 45 which are exactly divisible by 3 are arranged in ascending order, minimum number being on the top, which would come at the ninth place from the top?

A. 24

B. 21

C. 27

D. 18

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Correct Answer: Option C

Explanation:
Multiples of 3: 3,6,9,12,15,18,21,24,27,... Ninth is 27.

This question belongs to: Reasoning Mental Reasoning

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