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

No matter how little or how much you use me, you change me every month. What am I?

Which alphabet letter is a question?

In the image below, can you find the value of an angle(y)

Give it food and it will live; give it water and it will die.

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

By using 'because' continuously three times, can you make an English statement ?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?