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?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is red and smells like blue paint?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

By what process could you make a 'Tea-Table' into food?

Below rebus represent famous DiCaprio movie. Can you name it?

Can you find out the number that should replace the question mark with a valid reason?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

Can it be possible to build a house that has all its four walls facing towards the South?