Xiao Ming drank a cup of pure milk. He drank 6 / 1 of it for the first time and then filled it with water. He drank 1 / 3 of it for the second time and then filled it with water. He drank half of it and then filled it with water At last, he drank all his glasses. Does he drink more milk or water

Xiao Ming drank a cup of pure milk. He drank 6 / 1 of it for the first time and then filled it with water. He drank 1 / 3 of it for the second time and then filled it with water. He drank half of it and then filled it with water At last, he drank all his glasses. Does he drink more milk or water

Xiao Ming drinks a glass of milk
The water Xiao Ming drank was:
1 / 6 + 1 / 3 + 1 / 2 = 1 cup
So as much

Xiao Ming drinks a cup of pure milk. For the first time, he drinks 1 / 4 of it and refills it with water. For the second time, he drinks 1 / 5 of it and refills it with water. What's the ratio of water to milk?

After Xiao Ming drinks 1 / 4 of the milk, there are still 3 / 4 left. After he drinks another 1 / 5 of the milk, there are only 3 / 4 left * (1-1 / 5) = 3 / 5 left, so the rest is water, so the ratio of water to milk is 2 / 3. I think so