If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Which Travels Faster? Solve below famous picture riddle:

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What number should come in place of the question mark below?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

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?

What two things can you never eat for breakfast?

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

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?