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A ,B,C can do a piece of work in 12,15,20 days r^ly and A ,B,C starts doing a work together A leaves after working for 2 days B leaves 3 days before the completion of work . In how many days the work is completed by them
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- 2/12 + (x-3)/15 +x/20=1
7x=62
x=9(approx)
total no of days will be 9 - 9 years agoHelpfull: Yes(4) No(3)
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