Question
Ratio of the work done by P, Q and R in one day is 7:4:9
respectively. They all together can complete the work in 44 days. Q and R worked on it for 30 days. In how many days P will complete the remaining work.Solution
Let total amount work be = 44 x 20 = 880 units Amount of work done by Q and R in 30 days = 30 x 13 = 390 units Amount of work left = 880 – 390 = 490 Required time = 490/7 = 70 days
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