In what ratio must water be added to spirit to gain 25% by selling it

1.	In what ratio must water be added to spirit to gain 25% by selling it at cost price?
A.	1 : 4
B.	4 : 1
C.	3 : 4
D.	4 : 3
Answer» B. 4 : 1

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In what ratio must water be added to spirit to gain 25% by selling it at cost price?

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