The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

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

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

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?

Complete the table series riddle by finding the number that can replace "??".

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes