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?

Can you decipher the two rows to find the hidden word?

When 99 is considered higher than 100?

What can go through glass without breaking it?

What occurs twice in a week, once in a year but never in a day?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

How can a man go eight days without sleep?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A man dies of old age on his 25 birthday. How is this possible?