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?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What is harder to catch the faster you run?

Our product and our sum always give the same answer. Who are we?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Why Aeroplane windows are round?

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