Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?