If efficiency of B increased by $$ {33{1 over 3}{ %}}$$ and A and B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?

If efficiency of B increased by $$ {33{1 over 3}{ %}}$$ and A and B st

1.	If efficiency of B increased by $$ {33{1 over 3}{ %}}$$ and A and B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?
A.	36 days
B.	48 days
C.	32 days
D.	28 days
E.	30 days
Answer» B. 48 days

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If efficiency of B increased by $$ {33{1 over 3}{ %}}$$ and A and B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?

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