If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

There are forty elephants and they have forty-fore heads. How can this be possible?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Can you find any error in the following sentence?

A taxi was standing outside a fort at night. A man came out of the fort, opened the gate and hit the taxi driver killing him instantly. He took all the money out of the meter and started running till he was caught by a local sheriff.

If eleven plus two equals one, what does nine plus five equal?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

By what process could you make a 'Tea-Table' into food?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?