A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Can you find a rabbit in the given picture?

Why is the Hole below a Lock?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

In the image given, you can find several triangles. Can you count them all?

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

Can you Find and name the hidden bird in the picture below ?

If an electric train is travelling south, then which way is the smoke going?

Why Aeroplane windows are round?