Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Replace the question mark with the number below given a simple math problem.

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?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

What part of the chicken has the most feathers?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Move four matchsticks to the below square to form three squares?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?