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

If six children and two dogs were under an umbrella, how come none of them got wet?

How many triangles are there on the puzzle below?

Replace the question mark with the correct number in the below-given picture?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Why Aeroplane windows are round?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Who always enjoys poor health?