Question
Aarif, Arun, and Abraham can do work in 12, 15, and 24
days, respectively. They all begin together. Aarif leaves the work 1 day, Arun 3 days and Abraham 4 days before its completion. In how many days is the work finished?Solution
Aarif Arun Abraham 12 15 24 120 10 8 5 Let, they do not leave and do some extra work. Extra Work=10×1+8×3+5×4=54 Total work =120+54=174units Time taken =174/23days. =7(13/23)days
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