You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

If 1+9+8=1, what is 2+8+9?

How many triangles can you count in the figure given?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Why is the Hole below a Lock?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?