Ravi and Sonu can do a job alone in 20 days and 30 days respectivel – McqOptions

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1.	Ravi and Sonu can do a job alone in 20 days and 30 days respectively. In how many days the job will be finished, if they work together?
A.	10 days
B.	12 days
C.	8 days
D.	13 days
Answer» C. 8 days

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