A person runs around a circular track of circumference 600 meters. If his speed is 18 km/h, how many rounds can he complete in 10 minutes? MCQ with Answer and Explanation

Question

A person runs around a circular track of circumference 600 meters. If his speed is 18 km/h, how many rounds can he complete in 10 minutes?

A. 4 rounds

B. 6 rounds

C. 8 rounds

D. 5 rounds

Answer: Option D

Solution (By JKSSB Mock Tests)

Speed = 18 km/h = 5 m/s. Time = 10 minutes = 600 seconds. Total distance covered = 5 * 600 = 3000 meters. Number of rounds = 3000 / 600 = 5 rounds.

This question belongs to: Maths Time Speed and Distance

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Question #1

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A sound wave maps a total line segment distance of 2.04 km in 6 seconds. Find the velocity of sound in m/s.

A. 360 m/s

B. 340 m/s

C. 330 m/s

D. 350 m/s

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Correct Answer: Option B

Explanation:
Distance = 2.04 km = 2040 meters. Velocity = Distance / Time = 2040 / 6 = 340 m/s.

This question belongs to: Maths Time Speed and Distance

Question #2

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A missile travels at a speed of 1260 km/h. Find the distance covered by the missile in just 1 second.

A. 350 meters

B. 400 meters

C. 380 meters

D. 300 meters

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Correct Answer: Option A

Explanation:
Speed in m/s = 1260 * (5/18) = 70 * 5 = 350 m/s. Therefore, distance covered in 1 second is 350 meters.

This question belongs to: Maths Time Speed and Distance

Question #3

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A boat can row 8 km/h in still water. If the river velocity is 4 km/h, find the distance covered downstream by the boat in 45 minutes.

A. 8 km

B. 12 km

C. 10 km

D. 9 km

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Correct Answer: Option D

Explanation:
Downstream speed = 8 + 4 = 12 km/h. Time = 45 minutes = 45/60 = 3/4 hour. Distance covered = Speed * Time = 12 * (3/4) = 9 km.

This question belongs to: Maths Time Speed and Distance

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