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

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What has lots of eyes, but can’t see?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

I can write cow in 13 letters.

Can You?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

How can you take 2 from 5 and leave 4?