Q10 of 54 Page 168

A car is travelling at an average speed of 60 km per hour. How much distance will it cover in 1 hour 12 minutes?

Average Speed =


Let distance be x km, time = (1 + ) hr = (1 + )hr = hr
⇒ 60 km/hr =


⇒ x = 60 × = 72 km

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