Question
Car 'E' traveling at a certain speed covered a certain
distance in 5 hours. Car 'F,' which is 50% faster than Car 'E,' traveled for 4 hours and covered 110 km more than Car 'E.' Find the speed of Car 'E.'Solution
ATQ, Let the speed of Car 'E' = '10x' km/h Distance covered by Car 'E' = 10x × 5 = '50x' km Speed of Car 'F' = 10x × 1.5 = '15x' km/h Distance covered by Car 'F' in 4 hours = 15x × 4 = '60x' km According to the question, 60x - 50x = 110 Or, 10x = 110 Or, x = 110 ÷ 10 = 11 Therefore, the speed of Car 'E' = 10x = 10 × 11 = 110 km/h
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