Question
Travelling at his usual speed, a man reaches his
destination in 12 hours. If he reduces his speed by (1/6), then he covers 72 km less in the same time. Find the usual speed of the man.Solution
ATQ, Let the usual speed be 6x km/h. The reduced speed = (5/6) × 6x = 5x km/h Using the formula Distance = Speed × Time, 
Usual speed = 6x = 36 km/h.
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