A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

If an electric train is travelling south, then which way is the smoke going?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

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?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Our product and our sum always give the same answer. Who are we?