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?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Solve the puzzle by telling what does below picture means.

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

John walks into the daily grocery shop and steals a $100 bill from the shop. An hour later John returns to the shop and buys some daily products for $40. John pays the owner the $100 bill and therefore the owner returns him $60.

How much money did the owner lose?

What part of the chicken has the most feathers?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

There are forty elephants and they have forty-fore heads. How can this be possible?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?