Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Count the number of lines in the image below ?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Why do Chinese men eat more rice than Japanese men do ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Make a sentence consisting of three words that have the whole alphabet.

Can you identify if it's a murder or a suicide ?

What seven-letter word has hundreds of letters in it?