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Efficiency of Q is two times more than efficiency of P. Both started working alternatively, starting with Q and completed the work in total 35 days. If R alone complete the same work in 48 days then find in how many days P and R together will complete the work? |
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Answer» 24 days is 3x unit/day So, Q WORK for 18 days and P work for 17 days ATQ- Total work `=18 XX 3x=17xx x=71x` Efficiency of `R = (71x)/48 = 1.47x =1.5 x ` unit/ day (P + R) together `=(71x)/(x+1.5x) = 28` days (approx) |
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