Question

A and B can do work in 12 days and 24 days respectively. They started working together but left the work 3 days before its completion and thereafter B alone completed the work. For how many days A worked with B?

• A. 5
• B. 7
• C. 6
• D. 8

Answer 1

The Correct Option is B

The correct answer is option (B) : 7