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Ravi can complete a task in 6 days and M...

Ravi can complete a task in 6 days and Mohan can complete the same task in 9 days. In how many days can Ravi and Mohan together complete the same task?
रवि एक टास्क को 6 दिनों में पूरा कर सकता है और मोहन उसी टास्क को 9 दिनों में पूरा कर सकता है। रवि और मोहन एक साथ उसी टास्क को कितने दिनों में पूरा कर सकते हैं?

A

15 days

B

`3 2/5` days

C

`3 3/5` days

D

9 days

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