What does the below image rebus riddle means ?

Find the missing letter in the last circle logically in the given below picture.

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

I am quite hot but become too cold if you remove the first two letters. What am I?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Replace the question mark with the correct number in below Picture:

Can you spot the man between the coffee bean in the picture below ?

Give it food and it will live; give it water and it will die.