A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

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?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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

John was piloting a plane behind a car but was never able to overtake it. Why?

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

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.