what does the below rebus means?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

During which month do people sleep the least?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

What Does this text mean:

important=important