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 |
