A car travels at a speed of 54 km/h. What is its speed expressed in meters per second? MCQ with Answer and Explanation

Question

Share Report Error

A car travels at a speed of 54 km/h. What is its speed expressed in meters per second?

A. 10 m/s

B. 12 m/s

C. 15 m/s

D. 18 m/s

Answer: Option C

Solution (By JKSSB Mock Tests)

To convert km/h to m/s, multiply by 5/18. Speed = 54 * (5/18) = 3 * 5 = 15 m/s.

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 covers a distance of 120 km at 30 km/h and another 120 km at 50 km/h. Find the total time spent during the journey.

A. 6.0 hours

B. 6.4 hours

C. 6.8 hours

D. 7.2 hours

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Time for first part = 120 / 30 = 4 hours. Time for second part = 120 / 50 = 2.4 hours. Total time taken = 4 + 2.4 = 6.4 hours.

This question belongs to: Maths Time Speed and Distance

Question #2

Share Report

A standard boat covers 12 km upstream in 4 hours and 16 km downstream in 2 hours. What is the speed of the boat in still water?

A. 6 km/h

B. 5.5 km/h

C. 6.5 km/h

D. 7 km/h

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Upstream speed = 12 / 4 = 3 km/h. Downstream speed = 16 / 2 = 8 km/h. Speed in still water = (Downstream speed + Upstream speed) / 2 = (8 + 3) / 2 = 5.5 km/h.

This question belongs to: Maths Time Speed and Distance

Question #3

Share Report

A boatman rows 20 km downstream in 2 hours and covers the same distance upstream in 4 hours. Find the speed of the boat in still water.

A. 8.5 km/h

B. 7.0 km/h

C. 7.5 km/h

D. 8.0 km/h

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Downstream speed = 20 / 2 = 10 km/h. Upstream speed = 20 / 4 = 5 km/h. Speed in still water = (10 + 5) / 2 = 7.5 km/h.

This question belongs to: Maths Time Speed and Distance

Explore All Time Speed and Distance MCQs