In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

What does the below rebus riddle means?

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?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

You need to arrange three 7 and mathematical symbols to form number 1?

Which is the rope you never skip with?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?