How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What number when divided in half becomes zero?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

I am quite hot but become too cold if you remove the first two letters. What am I?

Identify the 10 differences between the two given pictures.

When can we add 2 to 11 and get 1 as the correct answer?

The answer I give is yes, but what I mean is no. What was the question?

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?