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?

Using Only Five 5's and any mathematical operator make sum as 37

Make a sentence consisting of three words that have the whole alphabet.

How many letters are in the alphabet?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

When we see 2 but call 10?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

If two's company, and three's a crowd, then whats four and five ?