There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

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?

What is more useful when it is broken?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

what does this picture(rebus) riddle means ?

Count the squares in the matchstick puzzle below?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?