Where do you go to learn how to make ice cream?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

I cannot talk, but I always reply when spoken to. What am I?

What has many teeth, but cannot bite?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Which wheel of car does not rotate when you turn your car right?

What kind of tree can you carry in your hand?

What is both possible and impossible at the same time?

There was a strange boy who was born before his father. How can this be possible?

There are 3 apples in the basket and you take away 2. How many apples do you have now?