Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

When it is alive we sing, when it is dead we clap our hands. What is it?

Find the missing number in the image below.

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

How many sides does a circle have?

What do you get if you add 2 to 100 four times?