Why Aeroplane windows are round?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

What does this rebus riddle mean?

I have branches, but no fruit, trunk or leaves. What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Remove two matchsticks to make the below equation correct.