If you say my name, I will no longer exist. What am I?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

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?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

It belongs to you, but other people use it more than you do. What is it?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Below rebus represent famous DiCaprio movie. Can you name it?

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

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?