A and B can do a piece of work in 20 days and 30 days respectively. Bo – McqOptions

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1.	A and B can do a piece of work in 20 days and 30 days respectively. Both started the work together, but A left the work 5 days before the completion of the work. In how many days the work was completed?
A.	15 दिन
B.	19 दिन
C.	17 दिन
D.	20 दिन
Answer» B. 19 दिन

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