In what ratio must water be mixed with milk to gain 16% on selling the mixture at cost price?
Question:
In what ratio must water be mixed with milk to gain 16% on selling the mixture at cost price?
[A].
1 : 6
6 : 1
2 : 3
4 : 3
In what ratio must water be mixed with milk to gain 16% on selling the mixture at cost price?
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
Let C.P. of 1 litre milk be Re. 1.
| S.P. of 1 litre of mixture = Re.1, Gain = | 50 | %. |
| 3 |
| C.P. of 1 litre of mixture = | 100 x | 3 | x 1 | = | 6 | ||
| 350 | 7 |
By the rule of alligation, we have:
|
C.P. of 1 litre of water C.P. of 1 litre of milk |
|||||
| 0 | Mean Price
|
Re. 1 | |||
|
|
||||
| Ratio of water and milk = | 1 | : | 6 | = 1 : 6. |
| 7 | 7 |