A,B and C can do a piece of work in 12, 15 and 20 days respectively. H – McqOptions

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1.	A,B and C can do a piece of work in 12, 15 and 20 days respectively. How long will they take to finish the work together?
A.	10 days
B.	5days
C.	8 days
D.	12 days
Answer» C. 8 days

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