I look at you, you look at me, I raise my right, you raise your left. What am I?

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

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

How many Watermelons are there in the below picture?

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

People put me on the table and cut me but do not eat me. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

You can see it everyday, But cannot touch it at will. What is it?