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

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

What is black when you buy it, red when you use it, and gray when you throw it away?

Find the 8 in the below-given Image.

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Can you find the dog hidden in a group of pandas?

What always comes into a house through the keyhole?

What is the word or phrase?