If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Count the Triangle in the figure given below:

What has one eye, but can’t see?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Which flower has two lips?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

In which direction should the missing arrow point?

Can you count the number of quadrilaterals in the picture below?