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

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?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

With the help clues provided in the image, can you find the 5 digit key?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Find the hidden panda in the image below.

What does does this rebus picture means ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?