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?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?

Identify the hidden meaning behind this picture?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

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

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?