Question
Download Solution PDFA and B together complete a work in 20 days. B alone complete the work in 30 days. Find in how many days A alone complete the work?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation
Total work = LCM of 20 and 30 = 60
Efficiency of B is 60 /30 = 2
Total Efficiency of A and B together is 60/20 = 3
So, efficiency of A is 3 -2 = 1
So, A alone complete the work in 60 / 1 = 60 days
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