Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

Asif is twice as good as workman as Bashir and together they finish a

1.	Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?
A.	90
B.	45
C.	60
D.	75
Answer» C. 60