Question
A car which is moving at a speed of 60 km/hr overtakes a
bus which is 800 metres ahead of it in 2 minutes. If the speed of the truck is 50% more than that of the bus, then find the time taken by the truck to travel 40.5 km.Solution
ATQ, Let the speed of the bus be 'x' km/hr. When two objects are moving in the same direction, the relative speed is the difference between their speeds. Relative speed = (60 - x) km/hr. According to the question: 
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