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

What number should come in place of the question mark below?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

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?

There is something which you can be arrested for attempting but not for successfully completing.

If your uncle’s sister is not your aunt, what relation is she to you?

Can you find out the remainder when 3^300 is divided by 5?

What is the Surname of Barbie Doll?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?