9.Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs.150. What is the share of Kim?
A. Rs.30 B. Rs.60
C. Rs.70 D. Rs.75
Answer:
Kim's wages : David's wages = Kim's 1 day's work : David's 1 day's work
= 1/3 : 1/2
= 2 : 3
Kim's share = Rs.(2/5×150)
=Rs.60.
