If 5 machines produce 5 articles in 5 minutes, how many machines are needed to produce 100 articles in 100 minutes? MCQ with Answer and Explanation

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If 5 machines produce 5 articles in 5 minutes, how many machines are needed to produce 100 articles in 100 minutes?

A. 20

B. 10

C. 5

D. 25

Answer: Option C

Solution (By JKSSB Mock Tests)

5 machines take 5 minutes to make 5 articles, so 5 machine-minutes make 1 article. 100 articles need 500 machine-minutes; in 100 minutes, 5 machines are needed.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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A man starts from point P, goes 3 km south, turns right and goes 4 km, turns left and goes 2 km. How far and in which direction is he from P?

A. 3 km East

B. √17 km South-West

C. 5 km South

D. √17 km South-East

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Correct Answer: Option D

Explanation:
Net displacement is 4 km east and 1 km south. Distance = √(4²+1²)=√17 km, direction South-East.

This question belongs to: Reasoning Logical Reasoning

Question #2

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If 1 January 2023 was Sunday, what day of the week was 31 December 2023?

A. Saturday

B. Sunday

C. Monday

D. Tuesday

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Correct Answer: Option B

Explanation:
2023 is not a leap year. 364 days between Jan 1 and Dec 31 is exactly 52 weeks, so the day remains Sunday.

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Question #3

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Statements: Some dogs are cats. All cats are rats. Conclusions: I. Some rats are dogs. II. Some dogs are rats.

A. Only II follows

B. Only I follows

C. Both I and II follow

D. Neither follows

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Correct Answer: Option C

Explanation:
Some dogs are cats and all cats are rats → some dogs are rats. Hence both I and II (which are essentially same) follow.

This question belongs to: Reasoning Logical Reasoning

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