A friend of mine bought a used pressure cooker for $60. She somehow did not find it useful and so when a friend of hers offered her $70, she sold it to her. However, she felt bad after selling it and decided to buy it back from her friend by offering her $80. After having bought it once again, she felt that she did not really need the cooker. So she sold it at the auction for $90.
How much profit did she make? Did she at all make any profit?
Riddle AnswerA cement block balances evenly in the scales with three quarters of a pound and three quarters of a cement block. What is the weight of the whole cement block?
Riddle AnswerA man has two paper cubes on his desk. Every day he arranges both cubes so that the front faces show the current day of the month. What numbers are required on the faces of the cubes to allow this for all possible days in the calendar?
Riddle AnswerA short man takes three steps to a tall man’s two steps. They both start out on the left foot. How many steps do they have to take before they are both stepping out on the right foot together?
Riddle AnswerA wholesale merchant came to me one day and posed this problem. Every day in his business he has to weigh amounts from one pound to one hundred and twenty-one pounds, to the nearest pound. To do this, what is the minimum number of weights he needs and how heavy should each weight be?
Riddle Answer