A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

Can you guess the name of the month by looking the below rebus ?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

What can you catch but never throw?

How many triangles can you find in this given picture?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

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?