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?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Bay of Bengal is in which state?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

How can you leave a room with two legs and return with six legs?