If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

Which is heavier: a ton of bricks or a ton of feathers?

What can you deduce from the following BrainBat?

CRY
LMKI

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Why Aeroplane windows are round?

What is the next number in this matchsticks series riddle?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

Solve this riddle by finding the odd one out from the rest.