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?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Which part of London exists in France as well ?

Why is a river so rich ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Can you place six X (crosses) in below board without making three in a row in any way ?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?