People make me, save me, change me, raise me. What am I?

Count the number of triangles in the picture below:

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

John was piloting a plane behind a car but was never able to overtake it. Why?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

I look at you, you look at me I raise my right, you raise your left. What am I?

Move three sticks of the spiral below to form a square.

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?