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CBSE Class 8 Answered

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 | 02 Sep, 2015, 01:20: PM
answered-by-expert 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 | 02 Sep, 2015, 03:20: PM

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