X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?

X is 25% more efficient than Y. If Y alone can make a chair in 10 days

1.	X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?
A.	8
B.	12
C.	12.5
D.	7.5
Answer» B. 12

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X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?

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