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Mohan Namita and Pranav travel from Shan...

Mohan Namita and Pranav travel from Shantipur to Hulchulpur. They have a two seeter bike which can be driven by only mohan. It is known that due to very stringent traffic rules only two persons can ride at a time. Hulchulpur is 180 km away from shantipur. All of them can walk at 6 km/h but reach to hulchulpur simultaneously also they started their journey simultaneously. If the speed of the bike is 42km/h then what is the shortest possible time in which all three of them can complete the jouirney?

A

`7(1)/(3)h`

B

`9(4)/(7)h`

C

`9(3)/(7)h`

D

can't be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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