A train running at 72 km/h passes an active signal pole in 10 seconds. Find the length of the train. MCQ with Answer and Explanation

Question

Share Report Error

A train running at 72 km/h passes an active signal pole in 10 seconds. Find the length of the train.

A. 180 meters

B. 220 meters

C. 240 meters

D. 200 meters

Answer: Option D

Solution (By JKSSB Mock Tests)

Speed = 72 * (5/18) = 20 m/s. Length of train = Speed * Time = 20 * 10 = 200 meters.

This question belongs to: Maths Time Speed and Distance

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Time Speed and Distance Questions

Question #1

Share Report

Excluding stoppages, the speed of an express route train is 90 km/h and including stoppages it is 72 km/h. How many minutes does the train stop per hour?

A. 12 minutes

B. 10 minutes

C. 14 minutes

D. 15 minutes

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Stoppage time per hour = (90 - 72) / 90 = 18 / 90 = 1/5 hour. In minutes = (1/5) * 60 = 12 minutes.

This question belongs to: Maths Time Speed and Distance

Question #2

Share Report

A runner completes a 200-meter race in 25 seconds. Find his speed in km/h.

A. 32.4 km/h

B. 28.8 km/h

C. 24 km/h

D. 30 km/h

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Speed in m/s = 200 / 25 = 8 m/s. In km/h = 8 * (18/5) = 144 / 5 = 28.8 km/h.

This question belongs to: Maths Time Speed and Distance

Question #3

Share Report

A train running at 72 km/h overtakes a cyclist riding at 12 km/h in the same direction in 12 seconds. Find the length of the train.

A. 220 meters

B. 200 meters

C. 240 meters

D. 180 meters

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Relative speed = 72 - 12 = 60 km/h = 60 * (5/18) = 50/3 m/s. Length of train = Relative speed * Time = (50/3) * 12 = 200 meters.

This question belongs to: Maths Time Speed and Distance

Explore All Time Speed and Distance MCQs