How can you take 2 from 5 and leave 4?

10+10 and 11+11 can give you the same answer.

Explain how?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

What is next number in the pattern below:

131 517 192 123 ?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?