What four weights can be used to balance from 1 to 30 pounds?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Edward James went for tiger hunting.

It was not his lucky day.



He got six tigers without heads, nine tigers without the tail and eight cut in two halves.

How many tiger did he hunted ?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Which alphabet is a part of our body?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?