A can do of a work in 5 days and B can do of the work in 10 days. In how many days both A and B together can do the work?
A.
B.
C.
D. 10
Answer:C
A can do of a work in 5 days and B can do of the work in 10 days. In how many days both A and B together can do the work?
A. B. C. D. 10