Rajib can do a work in 5 days while Farez can do the same work in 3 days. Both of them finish the work together and get Tk. 240. What is Rajib's share?

Question: Rajib can do a work in 5 days while Farez can do the same work in 3 days. Both of them finish the work together and get Tk. 240. What is Rajib's share?Solution:Rajib's wages : Farez's wages = Rajib's 1 day's work : Farez's 1 day's work = 1/5 : 1/3 = 3 : 5Sum of the ratio = 3 + 5 = 8So, Rajib's share = (3/8) × 240 = Tk. 90