Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

How can you make a TV, a bed, a dog, and a car liquid?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

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

what does the below rebus means?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?