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

In the image below, can you find the value of an angle(y)

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Prove that the below maths equation is true.

8 + 8 = 91

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?

What brings you down but never up?

Bay of Bengal is in which state?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

What do you get if you add 2 to 100 four times?

What 5-letter word typed in all capital letters can be read the same upside down?