What is always in front of you but can’t be seen?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?