An old lady fell into the crocodile river, but she was fine. Why? She has a brain teaser.

Because this river is called crocodile river.

Interpretation and analysis: The topic is a brain teaser, asking "Why did an old lady fall into the crocodile river, but it was okay?" According to conventional thinking, it is impossible to fall into a river with crocodiles, but a brain teaser can't solve the problem, so the crocodile river mentioned in the title can only make the old lady safe without crocodiles, so this river is called crocodile river.

Extended data:

Brainstorming covers a wide range, including classics, puzzles, jokes, satire, mathematics, English, all mankind, cold jokes and so on. Other types of brain teasers include:

1, melons, cucumbers, watermelons and pumpkins can all be eaten, but what melons can't be eaten? Answer and explanation: fool, fool is a derogatory term, not an edible melon and fruit.

2. There are six steamed buns in the basin, each for six children 1, and there is 1 in the basin. Why? Answer and explanation: The last child took the basin.

Can you turn ice into water as soon as possible? Answer and explanation: the word "ice" becomes "water" by removing two points.