A car runs at the speed of 50 kms per hour when not serviced and runs at 60 km./hr. when serviced. After servicing the car covers a certain distance in 6 hours. How much time will the car take to cover the same distance when not serviced?
After servicing, the distance covered by car in 6 hours = 60 * 6 = 360 km
Without servicing, speed of car = 50 kmph
=> Required time = $$\frac{Distance}{Speed}$$
= $$\frac{360}{50}$$ = 7.2 hr
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