Question
A man running with the speed of 57 km/hr covers a
certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 60 km/h in (x - 2) hours, then find the value of ‘x’.Solution
According to question, 57x = 60(x - 2) 60x – 57x = 120 3x = 120 x = 40
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viroid consists of
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