Here is a mathematical expression that also secretly tells a movie name. What movie is that?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Replace the question mark with the number below given a simple math problem.

Count the number of balls in picture below:

Why do we preferably have round manhole covers and not square ones?

Which is the smallest number that you can write using all the vowels exactly once?

I am sure no one can have two things for dinner. what are they?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

Which alphabet is a part of our body?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain