The ratios of efficiencies of A and B for doing a certain work is 5 : 8. Working together they can complete the work in 20 days, A alone will complete 25% of that work in:

The ratios of efficiencies of A and B for doing a certain work is 5 :

1.	The ratios of efficiencies of A and B for doing a certain work is 5 : 8. Working together they can complete the work in 20 days, A alone will complete 25% of that work in:
A.	14 days
B.	12 days
C.	11 days
D.	13 days
Answer» E.