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?

Can you make four (4) nines (9) equal 100?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

What is next number in the pattern below:

131 517 192 123 ?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

A man dies of old age on his 25 birthday. How is this possible?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?