A cyclist covers 900 meters in exactly 3 minutes. Find his speed in km/h. MCQ with Answer and Explanation

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A cyclist covers 900 meters in exactly 3 minutes. Find his speed in km/h.

A. 16 km/h

B. 22 km/h

C. 20 km/h

D. 18 km/h

Answer: Option D

Solution (By JKSSB Mock Tests)

Time = 3 minutes = 180 seconds. Speed = 900 / 180 = 5 m/s. In 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 boat can row 13 km/h in still water and the speed of the current is 3 km/h. Find the time taken to row 48 km downstream.

A. 4.0 hours

B. 2.5 hours

C. 3.5 hours

D. 3.0 hours

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Correct Answer: Option D

Explanation:
Downstream speed = 13 + 3 = 16 km/h. Time taken = 48 / 16 = 3 hours.

This question belongs to: Maths Time Speed and Distance

Question #2

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A delivery vehicle travels at 72 km/h. How many meters does it cover in 15 seconds?

A. 400 meters

B. 250 meters

C. 350 meters

D. 300 meters

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Correct Answer: Option D

Explanation:
Speed = 72 * (5/18) = 20 m/s. Distance = Speed * Time = 20 * 15 = 300 meters.

This question belongs to: Maths Time Speed and Distance

Question #3

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A missile travels at a speed of 1440 km/h. Find the distance covered by the missile in exactly 12 seconds.

A. 4500 meters

B. 4800 meters

C. 5000 meters

D. 4200 meters

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Correct Answer: Option B

Explanation:
Speed in m/s = 1440 * (5/18) = 80 * 5 = 400 m/s. Distance covered in 12 seconds = Speed * Time = 400 * 12 = 4800 meters.

This question belongs to: Maths Time Speed and Distance

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