A , B and C working together can Complete a work in 3 days. If A and B works with 60% and 40% of their efficiency respectively they complete the work in 8 days. But if they(A & B) work with 70% and 30% of their efficiency respectively they complete the work in 10 days in how many days will c be able to complete the work:

A , B and C working together can Complete a work in 3 days. If A and B

1.	A , B and C working together can Complete a work in 3 days. If A and B works with 60% and 40% of their efficiency respectively they complete the work in 8 days. But if they(A & B) work with 70% and 30% of their efficiency respectively they complete the work in 10 days in how many days will c be able to complete the work:
A.	8 days 3
B.	8 days
C.	40 days
D.	30 days
E.	None of these
Answer» E. None of these

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