You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

What do you get if you add 2 to 100 four times?

Using eight eights and addition only, can you make 1000?

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

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Identify the 10 differences between the two given pictures.

A man was just doing his job when his suit was torn. Why did he die three minutes later?

If a wheel has 54 spokes, how many spaces are there between the spokes?

What has 13 hearts but no other organs?