What does this mathematical rebus means ?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What is the longest word in the dictionary?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

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

What makes this number unique: 8,549,176,320?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

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