.A is 50% as efficient as B.C does half of the work done by A and B together. If C alone does the work in 40 days, then A ,B and C together can do the work in? - Study24x7
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14 Mar 2019 10:07 AM study24x7 study24x7

.A is 50% as efficient as B.C does half of the work done by A and B together. If C alone does the work in 40 days, then A ,B and C together can do the work in?

A

131 3 days

B

20 days

C

15 days

D

30 days

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