I’m tall when I’m young, and I’m short when I’m old. What am I?

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

18 X 12 X 2 X 3 = 111

What work can one never finish?

Solve the puzzle by telling what does below picture means.

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?