In order to gain 16 percent on selling the combination at cost price, how much water must be combined with milk?
A. 1 : 6
B. 6 : 1
C. 2 : 3
D. 4 : 3
Answer:A
In order to gain 16 percent on selling the combination at cost price, how much water must be combined with milk?
A. 1 : 6 B. 6 : 1 C. 2 : 3 D. 4 : 3
Explanation: Let Re. 1 be the C.P. of a litre of milk.Gain = 50/3 percent, S.P. of 1 litre of mixture = Re.1.1 litre of combination C.P. = 100 x 3/350 x 1/7 = 6,We may calculate the ratio of water and milk using the law of alligation: 1/7 : 6/7 = 1 : 6.