Question
The ratio of time taken by P, Q and R to complete work
alone is 4:5:2 respectively. If all three together complete the work in 8 days, then find in how many days P alone will complete three-fourth of the same work?Solution
Ratio of efficiency of P, Q & R = 5 : 4 : 10 So, let total work = (5x + 4x + 10x) × 8 = 152x unit Required days = 152x × 3/4 × 1/5x = 22.8 days
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