I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

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?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Find the Goldfish below the given Image.

What is the next number?

77, 49, 36, 18 ?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?