A does half as much work as B and C does half as much work as A and B – McqOptions

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1.	A does half as much work as B and C does half as much work as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in ?
A.	13 and 1/3 days
B.	20 days
C.	15 days
D.	30 days
Answer» B. 20 days

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