M can do a work in 5 days. R can do the same work in 20 days. In how many days will they finish the same work together?A. 4 daysB. 3 daysC. 2 daysD. 1 days

M can do a work in 5 days. R can do the same work in 20 days. In how m

1.	M can do a work in 5 days. R can do the same work in 20 days. In how many days will they finish the same work together?A. 4 daysB. 3 daysC. 2 daysD. 1 days
A.	D
B.	C
C.	A
D.	B
Answer» D. B

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M can do a work in 5 days. R can do the same work in 20 days. In how many days will they finish the same work together?A. 4 daysB. 3 daysC. 2 daysD. 1 days

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