Sakshi can do a piece of work in 30 days.Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work :	Options:
A) 15
B) 16
C) 14
D) 25
E) 10
Solution   Ratio of times taken by Sakshi and Tanya = 125 : 100 = 5 : 4 .   Suppose Tanya taken x days to do the work.   5 : 4 : : 30 : x ⇒ x = (30x4/5) ⇒ x = 24 days.   Hence,Tanya takes 16 days is complete the work.   Answer 14
<result>C</result>
Sakshi can do a piece of work in 30 days.Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work :