A train 100 meters long completely passes a static pole in 5 seconds. Find its speed in km/h. MCQ with Answer and Explanation

Question

Share Report Error

A train 100 meters long completely passes a static pole in 5 seconds. Find its speed in km/h.

A. 72 km/h

B. 64 km/h

C. 84 km/h

D. 80 km/h

Answer: Option A

Solution (By JKSSB Mock Tests)

Speed = 100 / 5 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.

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

A car climbs a mountain path 12 km long at 4 km/h and descends the same distance at 12 km/h. Find the average speed for the round journey.

A. 5 km/h

B. 8 km/h

C. 7 km/h

D. 6 km/h

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Average Speed = 2xy / (x + y) = (2 * 4 * 12) / (4 + 12) = 96 / 16 = 6 km/h.

This question belongs to: Maths Time Speed and Distance

Question #2

Share Report

A train crosses a bridge of length 150 meters in 15 seconds and a pole in 9 seconds. What is the length of the train?

A. 250 meters

B. 300 meters

C. 200 meters

D. 225 meters

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Let train length be L. Speed = L / 9. Also, Speed = (L + 150) / 15. So, L / 9 = (L + 150) / 15 => 15L = 9L + 1350 => 6L = 1350 => L = 225 meters.

This question belongs to: Maths Time Speed and Distance

Question #3

Share Report

A boat can row 13 km/h in still water and the speed of the current is 3 km/h. Find the time taken to row 48 km downstream.

A. 4.0 hours

B. 3.5 hours

C. 3.0 hours

D. 2.5 hours

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Downstream speed = 13 + 3 = 16 km/h. Time taken = 48 / 16 = 3 hours.

This question belongs to: Maths Time Speed and Distance

Explore All Time Speed and Distance MCQs