In what proportion must water be added to spirit to gain 20 % by selling it at the cost price?
A. 2: 5
B. 1: 5
C. 3: 5
D. 4: 5
Answer:B
In what proportion must water be added to spirit to gain 20 % by selling it at the cost price?
A. 2: 5 B. 1: 5 C. 3: 5 D. 4: 5