A and B can Finish a work in 18 days. B and C can finish the same work in 24 days. A and C can finish the same work in 36 days. How much days will be taken by all of them to complete the work together?
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A and B can do the work in one day 1/18
B and C can do the same work in one day is 1/24
C and D can do the same work in one day is 1/36
(A+B)+(B+C)+(C+D)together =1/18+1/24+1/36=(4+3+2)/72=1/8
2(A+B+C)=1/8
Therefore A, B, C together can do the work in one day =1/16
Hence A, B, C together can complete the work in 16 days.
B and C can do the same work in one day is 1/24
C and D can do the same work in one day is 1/36
(A+B)+(B+C)+(C+D)together =1/18+1/24+1/36=(4+3+2)/72=1/8
2(A+B+C)=1/8
Therefore A, B, C together can do the work in one day =1/16
Hence A, B, C together can complete the work in 16 days.
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