A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you find the key in the picture below?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

Can you count the number of blocks in the picture below?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Can you find the thief by just looking at the picture below?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?