One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

It is always ahead of me yet I can never see it. What is it?

Why do you find that most of the buildings are deprived of the 13th floor?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

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?

What Deficiency does the below rebus represent?

VIT_MIN

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