In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

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 have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Solve the following series:
AZ, GT, MN, __, YB

Can you find the thief by just looking at the picture below?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Do you know who was buried in John's tomb?

I am quite hot but become too cold if you remove the first two letters. What am I?