If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Count the number of triangles in the picture below:

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Find the missing number in the image below.

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

If six children and two dogs were under an umbrella, how come none of them got wet?

What is the next number in this matchsticks series riddle?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.