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?

I am the fastest animal but cannot climb the tree. What am I?

Solve the following series:
AZ, GT, MN, __, YB

Forwards I am heavy, backward I am not. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Find the value of "?" in the ball picture Riddle below:

How many times can you subtract the number 5 from 25?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair