Jovan built these five houses of cards using a total of exactly 90 playing cards. Now he wants to build one large house consisting of exactly 100 cards. Can such a house of cards exist? The number of ...

A brain teaser challenge is a type of IQ test that mostly involves solving a puzzle, cracking a code, finding a hidden object or mistake, or detecting the fault in the image. Brain teaser puzzles test ...

A Brain teaser is a type of puzzle which requires thinking and logical skills. In these types of puzzles, even math riddles are a type of puzzle in which puzzles are in numerical form. These maths ...