Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Keyboard words are not in alphabetical order, Why?

Bay of Bengal is in which state?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Count the number of squares in the picture below.

What does the below image rebus riddle means ?

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?