Number of Days Needed to Complete the Work by A, B and C
A can do a work in 12 days and B can do the same work in 24 days and C can do it in 6 days. In how many days they all together can complete the work?
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in 1 day A does 1/ 12 work
in 1 day B does 1/ 24 work
in 1 day C does 1/ 6 work, hence
in 1 day together they will do 1/12 + 1/ 24 + 1/6 = 7/ 24 work
together they will complete work in 24/ 7 days
in 1 day B does 1/ 24 work
in 1 day C does 1/ 6 work, hence
in 1 day together they will do 1/12 + 1/ 24 + 1/6 = 7/ 24 work
together they will complete work in 24/ 7 days
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