A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. In how many days can the two of them complete the work together?
a) 20 days
b) 25 days
c) 30 days
d) 35 days
A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. In how many days can the two of them complete the work together?
a) 20 days
b) 25 days
c) 30 days
d) 35 days
Harshit Singh , 4 Years ago
Grade 12th pass
