Question
A Bus covers its journey at a speed of 40km/hr in 8
hours. If the same distance is to be covered in 4 hours, then by how much % will be the speed of the bus have to be increased?Solution
ATQ, Let the Speed of the bus when the distance is to be covered in 4 hours is = 40 x (8/4) = 80km/hr Hence the required% will be then = [(80 – 40)/40] x 100 = 100%
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