A singles tennis tournament is held in which 30 men participate. If a player is eliminated as soon as he loses a match, how many matches are required to determine the winner?
Riddle AnswerMath Riddles
Weight of Cement Block
A 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 AnswerRight Foot Forward
A 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 Mile Long Train
A mile long train is moving at 60 miles per hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?
Riddle AnswerWholesale Merchant
A 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