A cyclist covers 400 meters in 1 minute 20 seconds. What is his speed in km/h? MCQ with Answer and Explanation

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A cyclist covers 400 meters in 1 minute 20 seconds. What is his speed in km/h?

A. 18 km/h

B. 20 km/h

C. 24 km/h

D. 15 km/h

Answer: Option A

Solution (By JKSSB Mock Tests)

Time = 1 minute 20 seconds = 80 seconds. Speed = 400 / 80 = 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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Practice More Time Speed and Distance Questions

Question #1

A train 110 meters long crosses a pole in 5.5 seconds. What is its speed in km/h?

A. 84 km/h

B. 72 km/h

C. 64 km/h

D. 80 km/h

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Correct Answer: Option B

Explanation:
Speed of train = 110 / 5.5 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.

This question belongs to: Maths Time Speed and Distance

Question #2

Excluding regular route passenger stops, the speed of an express coach is 64 km/h and including stops it is 48 km/h. For how many minutes does the coach stop per hour?

A. 12 minutes

B. 15 minutes

C. 20 minutes

D. 18 minutes

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Correct Answer: Option B

Explanation:
Stoppage time per hour = (64 - 48) / 64 = 16 / 64 = 1/4 hour. In minutes = (1/4) * 60 = 15 minutes.

This question belongs to: Maths Time Speed and Distance

Question #3

A sound wave travels at 340 m/s. How much distance in kilometers does it cover in 20 seconds?

A. 7.5 km

B. 7.2 km

C. 6.8 km

D. 6.5 km

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Correct Answer: Option C

Explanation:
Distance = Speed * Time = 340 * 20 = 6800 meters. Converting to kilometers = 6800 / 1000 = 6.8 km.

This question belongs to: Maths Time Speed and Distance

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