In a mixture of 35 L, the ratio of milk to water is 4 : 1. If 7 L wafer is added to the mixture, the ratio of milk to water changes to a new ratio. If we want ratio of milk and water to change back to the original value, how much milk is to be added now?
- AOption (a)
32 L
- BOption (b)
21 L
- COption (c)
35 L
- DOption (d)
28 L
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Correct answer
32 L