Find the missing term: 4, 9, 25, 49, ? MCQ with Answer and Explanation

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Find the missing term: 4, 9, 25, 49, ?

A. 81

B. 100

C. 121

D. 169

Answer: Option C

Solution (By JKSSB Mock Tests)

These are squares of consecutive prime numbers: 2²=4, 3²=9, 5²=25, 7²=49, so next is 11²=121.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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A man is facing North-West. He turns 90° in the clockwise direction and then 135° in the anti-clockwise direction. Which direction is he facing now?

A. North

B. West

C. South

D. East

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Correct Answer: Option A

Explanation:
Start North-West. +90° CW → North-East. Then 135° ACW from North-East: 135° ACW lands on North (North-East to North is 45°, to North-West 90°, to West 135°). Wait: from North-East ACW 135° is towards North then West: 45° to North, another 90° to West. So West. Option B.

This question belongs to: Reasoning Mental Reasoning