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

What goes up but never comes down?

How many triangles are there on the puzzle below?

Can you place three balls such that the equation shown in the picture holds true?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Can you find the dog hidden in a group of pandas?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?