What have one eye but still cannot see?

A man dies of old age on his 25 birthday. How is this possible?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

There are forty elephants and they have forty-fore heads. How can this be possible?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?