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

What has a bottom at the top?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

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

What Time Should the last watch show in the below figure?

What is the word or phrase below?
R | E | A | D

What kind of tree can you carry in your hand?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?