In how many days does B alone complete the work
1. B and C together can complete the work in 8 days
2. A and B together can complete the work in 12 days Choose the correct choice from the following answers:
A) Statement 1 alone is sufficient B) Statement 2 alone is sufficient C) Statement 1 and 2are sufficient D) Statement 1 and 2are not sufficient E) None of these
Explanation:   We cannot find the work done by B.   If C+A work is given we can find it by   B’s work = (A+B+C) work - (A+C) work   Answer: Option Statement 1 and 2are not sufficient
<result>D</result>
In how many days does B alone complete the work
1. B and C together can complete the work in 8 days
2. A and B together can complete the work in 12 days