Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

How can you make number one disappear by adding something to it?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

Can you find the key in the picture below?

What will you call your mother's brother's brother-in-law?

What can jump higher than a building?

How can you make a TV, a bed, a dog, and a car liquid?