Using the information from the final statement in green, ‘162 green sweets, how many sweets did Mo start with?’ We know from the above that the final (target) amount of green sweets is 162, let’s give this a name… TotalGreenSweets Moving upwards to the next statement, ‘Mo buys himself 30 more green sweets’ We worked out from the step previously that the TotalGreenSweets = 162 at the END, this … Read More
Sock puzzle
QuestionTen red socks and ten blue socks are all mixed up in a dresser drawer. The 20 socks are exactly alike except for their colour. The room is in pitch darkness and you want two matching socks. What is the smallest number of socks you must take out of the drawer in order to be certain that you have a … Read More