Question
A truck covers 320 km in 10 hours with its usual speed.
If the speed of the truck had been 8 km/hr more than its usual speed, find the time taken by the truck to cover 450 km with the increased speed.Solution
ATQ, Usual speed of the truck = 320/10 = 32 km/hr Increased speed of the truck = (32 + 8) = 40 km/hr Required time = 450/40 = 11.25 hours
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