Solve the following series:
AZ, GT, MN, __, YB

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

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

You need to arrange three 7 and mathematical symbols to form number 1?

You need to remove two matchsticks to make the below equation true. Can you do it ?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

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

81 x 9 = 801. What must you do to make the this equation true?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?