Question
The ratio of time taken by P, Q and R to complete work
alone is 3:5:2 respectively. If all three together complete the work in 4 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 = 10 : 6 : 15 So, let total work = (10x + 6x + 15x) × 4 = 124x unit Required days = 124x × 3/4 × 1/10x = 9.3 days
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