Find out the number of circles in the given picture having Illusion

Can you find out which options fits best with the missing column?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Identify the hidden meaning behind this 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?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Can you find the missing piece of the Porsche?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?