Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

What has many teeth, but cannot bite?

Can you start the fire using two pieces of wood?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

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?

Can you count the number of blocks in the picture below?

Rearrange the letters in "new door" to make one word.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?