Question
A man running with the speed of 72 km/hr covers a
certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 80 km/h in (x - 2) hours, then find the value of ‘x’.Solution
According to question, 72x = 80(x - 2) 80x – 72x = 160 8x = 160 x = 20
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