Which of the below owl is odd one out?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

I taste better than I can smell. Who am I?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

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

Who am I?

Can you write down eight eights so that they add up to one thousand?

What's the only room from which no one can enter or leave

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

Can you find out the missing number in the grid?