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.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

Can you name some countries which do not have the alphabet 'A' in them?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Which English verb becomes past tense just by rearranging the letters?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?