A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

What has hands, but can’t clap?

Keyboard words are not in alphabetical order, Why?

Buy me, smell me or deliver me, I do not change.

Who am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

What goes up but never comes down?