Question
Bikes 'X' and 'Y' are moving towards one another on a
straight road at 48 km/h and 60 km/h respectively. If the distance separating them is 600 metres, find the time before they cross each other.Solution
ATQ,
Combined speed of bikes 'X' and 'Y' = 48 + 60 = 108 km/h
= 108 × (5/18) = 30 m/s
So, required time = 600 ÷ 30 = 20 seconds
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