Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Can you make four (4) nines (9) equal 100?

What can you see in the middle of March and April that you can never see in any other month?

How many times can you subtract the number two from the number fifty?

You need to remove two matchsticks to make the below equation true. Can you do it ?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?