Find the next number in the series: 3, 6, 18, 72, ? MCQ with Answer and Explanation

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Find the next number in the series: 3, 6, 18, 72, ?

A. 360

B. 216

C. 324

D. 288

Answer: Option A

Solution (By JKSSB Mock Tests)

Multipliers are 2, 3, 4; next multiplier is 5. 72×5=360.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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Ravi walks 10 m north, then 6 m east, then 3 m north. How far is he from the starting point?

A. 13 m

B. 19 m

C. √169 m

D. √205 m

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Correct Answer: Option D

Explanation:
Net movement: 13 m north and 6 m east. Distance = √(13²+6²) = √(169+36) = √205 m.

This question belongs to: Reasoning Logical Reasoning

Question #2

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If 9th of the month falls on the day preceding Sunday, on what day will the 1st of the month fall?

A. Friday

B. Saturday

C. Monday

D. Sunday

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Correct Answer: Option A

Explanation:
9th is Saturday (preceding Sunday). 1st is 8 days before 9th = Saturday −8 = Friday.

This question belongs to: Reasoning Logical Reasoning

Question #3

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If 5th June 2009 was a Friday, what day of the week was 5th June 2010?

A. Friday

B. Saturday

C. Sunday

D. Monday

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Correct Answer: Option B

Explanation:
2009 non-leap, +1 day. Friday +1 = Saturday.

This question belongs to: Reasoning Logical Reasoning

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