What do you see in the given picture?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

How can you tell a raw egg from a hard-boiled egg?

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 am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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

If 21x = 79x, what is the value of x?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?