I don't get anymore wetter, no matter how much rain falls on me.

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

What building has the most stories?

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

How is the moon similar to a dollar?

Can you find out the number of the parking space in which the car is parked?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?