Question

A and B can do a work in 10 days and 15 days respectively. They worked together for 5 days, then B left the work and A alone did the remaining work. The whole work got completed in:

• A. $7\frac13$ days
• B. $7$ days
• C. $7\frac13$ days
• D. $7\frac13$ days

Answer 1

Answer: (A)

$7\frac13$ days

Answer 2

The correct option is (A) :$7\frac13$ days