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

The centre of the third figure is empty. What digit should fit inside?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

81 x 9 = 801. What must you do to make the this equation true?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

What is next number in the pattern below:

131 517 192 123 ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

There was a strange boy who was born before his father. How can this be possible?