A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

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 know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What is 3/7 chicken, 2/3 cat and 2/4 goat?

I am an odd number. Take away a letter and I become even. What number am I?

What has one eye, but can’t see?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?