Question
A bike covers a certain distance in 1.8 hours while
moving at a speed of 80 km/h. Later, due to traffic, the speed decreases and it takes 2 hours to cover the same route. What is the reduced speed of the bike?Solution
Distance = 80 × 1.8 = 144 km New speed = 144 ÷ 2 = 72 km/h
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