The centre of the third figure is empty. What digit should fit inside?

Count the number of balls in picture below:

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Buy me, smell me or deliver me, I do not change.

Who am I?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?