When it's bad luck to meet a black cat?

How can a man go eight days without sleep?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

What number when divided in half becomes zero?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

I am sure no one can have two things for dinner. what are they?

What can go up a chimney down, but can’t go down a chimney up?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

How many triangles are there in the picture below?