Question

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days E
had to leave and A alone completed the remaining work. The whole work was completed in :
Select one:
O a. 15 days
O b. 8 days
O c. 10 days
O d. 12 days
Next pa​

Answer 1

(d) 12 days

Explanation:

A+B=15+10 days

=25

both can complete the work in 25/2 days

therefore 12