What does this mathematical rebus means ?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

What kind of band never plays music?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Why do people go to bed?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?

Which tank will fill first?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?