A cyclist covers 600 meters in 2 minutes. What is his speed in km/h? MCQ with Answer and Explanation

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A cyclist covers 600 meters in 2 minutes. What is his speed in km/h?

A. 22 km/h

B. 18 km/h

C. 15 km/h

D. 20 km/h

Answer: Option B

Solution (By JKSSB Mock Tests)

Time = 2 minutes = 120 seconds. Speed = 600 / 120 = 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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Walking at 6/7 of his normal pace, a man is 12 minutes late to his workplace. What is his normal time?

A. 64 minutes

B. 72 minutes

C. 80 minutes

D. 90 minutes

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Correct Answer: Option B

Explanation:
New speed = 6/7 of normal pace => New time = 7/6 of normal time. Difference = 1/6 of normal time = 12 minutes. Normal time = 12 * 6 = 72 minutes.

This question belongs to: Maths Time Speed and Distance

Question #2

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A bus runs at 40 km/h for 2 hours and 50 km/h for the next 3 hours. Find the average speed of the bus for the total journey.

A. 48 km/h

B. 47 km/h

C. 45 km/h

D. 46 km/h

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Correct Answer: Option D

Explanation:
Distance 1 = 40 * 2 = 80 km. Distance 2 = 50 * 3 = 150 km. Total distance = 230 km. Total time = 2 + 3 = 5 hours. Average speed = 230 / 5 = 46 km/h.

This question belongs to: Maths Time Speed and Distance