You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

What kind of band never plays music?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Can you name some countries which do not have the alphabet 'A' in them?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What number should come in place of the question mark below?

Bay of Bengal is in which state?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What number do you get when you multiply all of the numbers on a telephone's number pad?