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P, Q, R can do a work in 12, 8 and 6 days respectively. Q and R start the work and leave after 2 days...

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P can do a work in 12 days. Q can do the same work in 8 days and R can do the same in 6 days. Q and R start the work and leave after 2 days. P finishes the remaining work in X days. What is the value of 1.1X?

posted Jun 12, 2017 by anonymous

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1 Answer

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5 days
let work be W
Speeds P=W/12, Q=W/8 and R=W/6 Since Q and R work for two days work accomplished = 2*(W/8+W/6). Work remaining =5W/12.
Time required by P =(5W/12)/W/12=5 days

answer Jun 13, 2017 by Kewal Panesar



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