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?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What does this rebus means ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you tell a 3D object that has just two surfaces?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

What is full of holes but still holds water?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Prove that twice of ten is the same as twice of eleven.