What is always in front of you but can’t be seen?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Decode the movie name from the below picture?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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?