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A runs twice as fast as B and B runs ...

A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in `12\ m inu t e s` b. `\ 16\ m inu t e s` c. `18\ m inu t e s` d. `24\ m inu t e s`

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RS AGGARWAL-TIME AND DISTANCE-All Questions
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