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.

Replace the question mark with the correct number in below Picture:

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Can you count the number of triangles in the given picture?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

What word is represented by this rebus?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

They are three errirs in this question. Can you find them?

I am quite hot but become too cold if you remove the first two letters. What am I?