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?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Which is the correct shadow of the bird?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

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

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?