With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Which digit occurred maximum times between the number 1 and 1000?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I cannot talk, but I always reply when spoken to. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

When it's bad luck to meet a black cat?

Can you decipher the two rows to find the hidden word?

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?