ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

What's a single-digit number with no value?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Complete the table series riddle by finding the number that can replace "??".

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?