A car covers a distance of 60 km in 30 minutes. How long will it take to cover a distance of 240 km?

Asked by Topperlearning User | 2nd Sep, 2015, 01:20: PM

Expert Answer:

Assuming speed to be constant, distance and time vary directly.

Let the time take for 240 km to be x minutes.

Therefore as per directly variation rule,

Thus the car will take 120 min.

Answered by  | 2nd Sep, 2015, 03:20: PM