Question

A can complete a work in 10 days and B can complete the same work in 15 days. They work together for some days, then A leaves. B finishes the remaining work in 5 days. For how many days did A and B work together?

A 2 days
B 7 days
C 4 days
D 9 days
E None of these
Practice Next

More Time and work Questions

Relevant for Exams:

Hey! Ask a query