Find the number of squares in the below picture

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

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?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

During which month do people sleep the least?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Solve below rebus puzzle?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145