A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Which letter of the alphabet has the most water?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

How is the moon similar to a dollar?

who is silent in the parliament?

What English word has three consecutive double letters?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

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?