You are given 8 identical looking balls. One of them is heavier than the rest of the 7 (all the others weigh exactly the same). You are provided with a simple mechanical balance scale. How can you find the heavier ball by using the scale only twice?
Riddle AnswerMath Riddles
Singles Tennis Tournament
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 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 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 AnswerWeight 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 Answer