Question
'A', 'B' and 'C', alone can do some work in 28 days, 35
days and 70 days, respectively. If they work together for wages of Rs. 6,600, then find the difference between shares of 'B' and 'C'.Solution
Ratio of time taken by 'A', 'B' and 'C' = 4:5:10 So, ratio of efficiency of 'A', 'B' and 'C' = (1/4):(1/5):(1/10) = 5:4:2 = Ratio of shares of 'A', 'B' and 'C', out of total wages Required difference = 6600 X {(4 - 2)/11} = Rs. 1200
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