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?

Count the number of squares in the picture below.

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

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

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

I have Rs.50 and I spend it in the way as below.

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What kind of tree can you carry in your hand?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?