You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

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?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

How many times do a clock's hands overlap in a day ?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

How many words can a pen with half refill write?

I am white when I am dirty, and black when I am clean. What am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?