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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What is the largest number you can write with just 3 digits?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

John was piloting a plane behind a car but was never able to overtake it. Why?

Can you count the number of triangles in the given figure?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Remove two matchsticks to make the below equation correct.

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?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?