A car runs at the speed of 50 kmph when not serviced and runs at 60 kmph, 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 ?



[ A ]    8.2 hours
[ B ]    6.5 hours
[ C ]    8 hours
[ D ]    7.2 hours right
[ E ]    None of these
Answer : Option D
Explanation :
500
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