What does below rebus means ?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

Can you place three balls such that the equation shown in the picture holds true?

What is the last thing you take off before bed?

Can you write down eight eights so that they add up to one thousand?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

People put me on the table and cut me but do not eat me. What am I?

Which alphabet letter is a question?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Solve the mathematical equation in the picture below.