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Ravi, Mohan and Govind can complete a ta...

Ravi, Mohan and Govind can complete a task in 12 days, 10 days and 15 days respectively. In how many days can Ravi, Mohan and Govind together complete the same task?
रवि, मोहन और गोविंद क्रमशः 12 दिनों, 10 दिनों और 15 दिनों में एक कार्य पूरा कर सकते हैं। रवि, मोहन और गोविंद मिलकर कितने दिनों में उसी कार्य को पूरा कर सकते हैं?

A

8

B

4

C

2

D

6

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