Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What does this say?

XLR8

Can you fill the blank with the correct number?

6 30 870 756030 _____

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What does this rebus mean?

O
N
C
E
TIME

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?