A cyclist covers a 1500-meter course in 5 minutes. Find his speed in km/h. MCQ with Answer and Explanation

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A cyclist covers a 1500-meter course in 5 minutes. Find his speed in km/h.

A. 20 km/h

B. 24 km/h

C. 18 km/h

D. 15 km/h

Answer: Option C

Solution (By JKSSB Mock Tests)

Time = 5 minutes = 300 seconds. Speed = 1500 / 300 = 5 m/s. Converting to km/h = 5 * (18/5) = 18 km/h.

This question belongs to: Maths Time Speed and Distance

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Question #1

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A person walks from his home to his office at 3 km/h and reaches 15 minutes late. If he walks at 4 km/h, he reaches 5 minutes late. Find the distance.

A. 2.0 km

B. 2.5 km

C. 1.8 km

D. 2.2 km

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Correct Answer: Option A

Explanation:
Time difference = 15 - 5 = 10 minutes = 10/60 = 1/6 hour. Let distance be d. d / 3 - d / 4 = 1/6 => d / 12 = 1/6 => d = 2 km.

This question belongs to: Maths Time Speed and Distance

Question #2

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A cyclist covers a 3.6 km track in 12 minutes. Find his speed in meters per second.

A. 8 m/s

B. 6 m/s

C. 4 m/s

D. 5 m/s

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Correct Answer: Option D

Explanation:
Distance = 3.6 km = 3600 meters. Time = 12 minutes = 720 seconds. Speed = 3600 / 720 = 5 m/s.

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Question #3

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A boat can row 18 km/h in still water and the speed of the current is 2 km/h. Find the time taken to row 80 km downstream.

A. 4.0 hours

B. 5.0 hours

C. 4.5 hours

D. 3.5 hours

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Correct Answer: Option A

Explanation:
Downstream speed = 18 + 2 = 20 km/h. Time taken = 80 / 20 = 4 hours.

This question belongs to: Maths Time Speed and Distance

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