No one wants to have it, but if one got it, he does not want to lose it. 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?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I drive at an average speed of 30 miles per hour to the railroad station each morning and catch my train. On a particular morning, there was a lot of traffic and at the halfway point, I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

What part of Turkey has the most feathers?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Which letter of the alphabet has the most water?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?