Question
P and Q can complete a work in 32 days and 48 days,
respectively. P, Q and R together can complete the work in 16 days. If R get a total wage of Rs. 6240 to complete the work alone, then find the per day wage of R.Solution
Let the total work be LCM of (32, 48 and 16) = 96 units Number of units of work done by P alone in one day = 96/32 = 3 units Number of units of work done by Q alone in one day = 96/48 = 2 units Number of units of work done by P, Q and R together in one day = 96/16 = 6 units Number of units of work done by R alone in one day = 6 – 3 – 2 = 1 unit So, time taken by R alone to complete the work = 96/1 = 96 days So, per day wage of R = 6240/96 = Rs. 65
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