There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

I have feet, but no legs. Which animal Am I?

Imagine you are in a room with no windows or doors. How will you get out?

What is black when you buy it, red when you use it, and gray when you throw it away?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Find the last number in the series below:

voN luJ yaM raM ---

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 ?