A can finish a work in 20 days B can do the same work in 10 days. Afte – McqOptions

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1.	A can finish a work in 20 days B can do the same work in 10 days. After A has worked for 5 days B joins A in how many days the remaining work will be finished.
A.	15 days
B.	8 days
C.	5 days
D.	7 days
Answer» D. 7 days

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