If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What have one eye but still cannot see?

The more of this there is, the less you see. What is it?

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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I have no life, but I can die. What am I?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.