Subscribe TechModgy to learn about new technologies!

What is the correct answer?


A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in

A. 5 days

B. 6.5 days

C. 7.5 days

D. 8 days

Please do not use chat terms. Example: avoid using "grt" instead of "great".