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