What is the next number in this series?

4,12,84,3612....

Can you decipher the below rebus?

PBLUESAISNUERSES

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

How can you tell a raw egg from a hard-boiled egg?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What you cannot hold but it is yours?

What occurs twice in a week, once in a year but never in a day?

Can you replace the question mark with the correct number in the below table sequence?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?