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A Jeep is 30 km ahead of a car travelling in same direction. After 3 hours, the car is 60 km ahead of bus. If the speed of bus is 42 km/h. Find the speed of the car? |
72 km/h 42 km/h 50 km/h 62 km/h |
72 km/h |
Speed of car = S km/hr Relative distance = 90 km Relative speed (in same direction) = S - 42 Distance = speed × time 90 = (S - 42) × 3 ⇒ S = 72 km/h |
