A train 140 meters long is traveling at 72 km/h. How long will it take to cross a platform 220 meters long? MCQ with Answer and Explanation

A train 140 meters long is traveling at 72 km/h. How long will it take to cross a platform 220 meters long?

A. 20 seconds

B. 18 seconds

C. 16 seconds

D. 22 seconds

Answer: Option B

Speed of train = 72 * (5/18) = 20 m/s. Total distance = 140 + 220 = 360 meters. Time taken = 360 / 20 = 18 seconds.

This question belongs to: Maths Time Speed and Distance

No comments yet. Be the first to start the discussion!

Question #1 Report Error

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. 28 seconds

B. 22 seconds

C. 26 seconds

D. 24 seconds

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 #2 Report Error

A civilian covers a 2400-meter long walkway in exactly 8 minutes. Find his moving speed in km/h.

A. 18 km/h

B. 22 km/h

C. 20 km/h

D. 15 km/h

Correct Answer: Option A

Explanation:
Time = 8 minutes = 480 seconds. Speed = 2400 / 480 = 5 m/s. Converting to km/h = 5 * (18/5) = 18 km/h.

This question belongs to: Maths Time Speed and Distance

Question #3 Report Error

A car covers a certain distance at an average speed of 60 km/h in 4 hours. At what speed must it travel to cover the same distance in 3 hours?

A. 80 km/h

B. 90 km/h

C. 85 km/h

D. 75 km/h

Correct Answer: Option A

Explanation:
Distance = 60 * 4 = 240 km. New required speed = 240 / 3 = 80 km/h.

This question belongs to: Maths Time Speed and Distance