There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Before Mount Everest was discovered, what was the highest mountain in the world?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Spot what is wrong here in below Picture?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

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

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

I have teeth but i don't bite. Who Am I ?