Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Name a key which is hardest to turn.

Solve this riddle by finding the odd one out from the rest.

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

What is the Surname of Barbie Doll?

Which alphabet is a part of our body?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?