Be active and find the killer in the picture Riddle below.

I make two people out of one. What am I?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

I can be cracked, made, told, and played. What am I?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

Count the number of triangles in the picture below:

There was a strange boy who was born before his father. How can this be possible?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?