I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

I have eight fingers and two thumbs but I do not live. What Am I?