Ram, Mohan and Shyam can do a piece of work in 12, 15 and 20 days resp – McqOptions

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1.	Ram, Mohan and Shyam can do a piece of work in 12, 15 and 20 days respectively. In how many days will all three together complete the work?
A.	7 दिन
B.	8 दिन
C.	4 दिन
D.	5 दिन
Answer» E.

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