Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What is harder to catch the faster you run?

What is the word or phrase?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What is red and smells like blue paint?

What is the centre of gravity?

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

What do you answer even though it never asks you questions?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?