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?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What number should come in place of the question mark below?

In the image given, you can find several triangles. Can you count them all?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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

Solve the counting riddle by identifying the number of triangles in the given picture.

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

A father's child, a mother's child, yet no one's son.

Who am I?