Find the missing number: 2, 4, 12, 48, ? MCQ with Answer and Explanation

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Find the missing number: 2, 4, 12, 48, ?

A. 240

B. 144

C. 288

D. 192

Answer: Option A

Solution (By JKSSB Mock Tests)

Pattern multiplies by 2, 3, 4, 5 successively. Next term = 48 × 5 = 240.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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A girl starts walking towards east. After 10 m she turns left and walks 10 m, then turns left and walks 10 m, then turns left and walks 10 m. How far is she from the starting point?

A. 0 m

B. 20 m

C. 30 m

D. 10 m

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Correct Answer: Option A

Explanation:
She completes a square path and returns to the starting point, so the distance is 0 m.

This question belongs to: Reasoning Mental Reasoning

Question #2

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Find the missing number in the series: 2, 7, 24, 77, ?, 783

A. 254

B. 250

C. 246

D. 238

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Correct Answer: Option D

Explanation:
Pattern: 2×3+1=7, 7×3+3=24, 24×3+5=77, 77×3+7=238, 238×3+9=783. The added numbers are consecutive odd numbers.

This question belongs to: Reasoning Mental Reasoning

Question #3

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A man walks 10 m towards east, then turns right and walks 10 m, then turns left and walks 5 m. In which direction is he from the starting point?

A. East

B. North-East

C. South-West

D. South-East

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Correct Answer: Option D

Explanation:
He moves east 10 m, south 10 m, then east 5 m. Final position is east and south of start, i.e. South-East.

This question belongs to: Reasoning Mental Reasoning

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