Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is = ?

Shashi can do piece of work in 20 days. Tanya is 25% more efficient th

1.	Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is = ?
A.	5
B.	5
C.	8
D.	6
Answer» E.