A high-speed coach train 180 meters long crosses a terminal platform 220 meters long in 16 seconds. What is the speed of the coach train in km/h? MCQ with Answer and Explanation

Question

A high-speed coach train 180 meters long crosses a terminal platform 220 meters long in 16 seconds. What is the speed of the coach train in km/h?

A. 85 km/h

B. 95 km/h

C. 100 km/h

D. 90 km/h

Answer: Option D

Solution (By JKSSB Mock Tests)

Total distance = 180 + 220 = 400 meters. Speed = 400 / 16 = 25 m/s. In km/h = 25 * (18/5) = 90 km/h.

This question belongs to: Maths Time Speed and Distance

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Question #1

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A mechanic wheel tracks 3000 revolutions to bridge a course distance of 2640 meters. Find the radius size of the wheel.

A. 14 cm

B. 16 cm

C. 12 cm

D. 18 cm

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Correct Answer: Option A

Explanation:
Distance wrapped in 1 turn revolution = 2640 / 3000 = 0.88 meters = 88 cm. Circumference = 2 * (22/7) * r = 88 cm => (44/7) * r = 88 => r = 14 cm.

This question belongs to: Maths Time Speed and Distance

Question #2

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A train 160 meters long passes a signal pole in 8 seconds. Find the time it takes to completely cross a platform 320 meters long.

A. 22 seconds

B. 28 seconds

C. 26 seconds

D. 24 seconds

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Correct Answer: Option D

Explanation:
Speed of train = 160 / 8 = 20 m/s. Total distance to pass platform = 160 + 320 = 480 meters. Time required = 480 / 20 = 24 seconds.

This question belongs to: Maths Time Speed and Distance

Question #3

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A person walks from home to school at 4 km/h and arrives 5 minutes late. If he runs at 5 km/h, he arrives 4 minutes early. Find the distance.

A. 2.5 km

B. 3.0 km

C. 3.5 km

D. 4.0 km

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Correct Answer: Option B

Explanation:
Time difference = 5 - (-4) = 9 minutes = 9/60 = 0.15 hours. Let distance be d. d / 4 - d / 5 = 0.15 => d / 20 = 0.15 => d = 3 km.

This question belongs to: Maths Time Speed and Distance

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