A cyclist covers 750 meters in 2 minutes 30 seconds. Find his speed in km/h. MCQ with Answer and Explanation

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A cyclist covers 750 meters in 2 minutes 30 seconds. Find his speed in km/h.

A. 22 km/h

B. 15 km/h

C. 20 km/h

D. 18 km/h

Answer: Option D

Solution (By JKSSB Mock Tests)

Time = 2 minutes 30 seconds = 150 seconds. Speed = 750 / 150 = 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 boatman can row 16 km/h in still water. If the river velocity index tracks at 4 km/h, find the time interval required by the boat hull to row 48 km upstream.

A. 4.5 hours

B. 3.5 hours

C. 5.0 hours

D. 4.0 hours

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Correct Answer: Option D

Explanation:
Upstream tracking speed = 16 - 4 = 12 km/h. Time required = Sector Distance / Upstream Speed = 48 / 12 = 4 hours.

This question belongs to: Maths Time Speed and Distance

Question #2

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A runner covers 200 meters in 22 seconds. Find his approximate speed in km/h.

A. 36.0 km/h

B. 34.2 km/h

C. 32.7 km/h

D. 30.5 km/h

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Correct Answer: Option C

Explanation:
Speed = 200 / 22 m/s = 100 / 11 m/s. In km/h = (100 / 11) * (18/5) = 360 / 11 = 32.72 km/h.

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Question #3

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A professional athlete tracks a loop of radius 140 meters in 88 seconds. What is his speed in km/h?

A. 40 km/h

B. 32 km/h

C. 44 km/h

D. 36 km/h

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Correct Answer: Option D

Explanation:
Circumference of loop = 2 * (22/7) * 140 = 880 meters. Speed = 880 / 88 = 10 m/s. Converting to km/h = 10 * (18/5) = 36 km/h.

This question belongs to: Maths Time Speed and Distance

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