What is more useful when it is broken?

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?

Can you identify if it's a murder or a suicide ?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

In which direction should the missing arrow point?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

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

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

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

Rearrange the letters in "new door" to make one word.