Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Spot what is wrong here in below Picture?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

What seven-letter word has hundreds of letters in it?

What does this mean?

CCCCCCC

What does below pictogram mean?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?