A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

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?

Which flower has two lips?

If you say my name, I will no longer exist. What am I?

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

What is next number in the pattern below:

131 517 192 123 ?

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

A man was just doing his job when his suit was torn. Why did he die three minutes later?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

What can you see in the middle of March and April that you can never see in any other month?