P can complete of a work in 12 days and Q can complete of a work in 8 days. In how many days can both P and Q together complete the work?
P can complete of a work in 12 days.
Total Work done by P in = 12 × 5 = 60 days
Q can complete of a work in 8 days.
Total Work done by Q in = 8 × 6 = 48days
Total Work = LCM of 60 and 48 = 240 unit
Efficiency of P and Q are
Total time taken by both of them = 26
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