How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

What is red and smells like blue paint?

Below rebus represent famous DiCaprio movie. Can you name it?

Using eight eights and addition only, can you make 1000?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

What's the only room from which no one can enter or leave

What is the word or phrase?

Find the smallest sentence with all the English alphabet.

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?