Scores 2. A man lives on the 10th floor but only takes the elevator to the 7th and walks up unless it’s raining. Why?, He’s short and can only reach the 7th-floor button unless he uses an umbrella., "The stairwells between the 7th and 10th floors have no glass in the windows.", Scores 1. Boris has got a brother and three sisters. How many children had his mother?, It's obvious: Four, Five, Scores 3. A fish’s head is 3 centimeters long. Its tail is the same length as the head plus half the body. The body is as long as the head and tail together. How long is the fish?, 24 centimeters. The head is 3 cm long, the body is 12 cm long, and the tail is 9 cm long., We don't have enough information., Scores 2. You have two ropes and a lighter. Each rope takes exactly one hour to burn but doesn’t burn evenly. How do you measure 45 minutes?, I will cut off 1/4 of a rope., Light both ends of one rope and one end of the other. When the first rope burns out, 30 minutes have passed; then light the second end of the other rope., Scores 2. You have 9 balls, all identical except one that’s heavier. You have a balance scale and can use it twice. How do you find the odd ball?, You have 9 balls, all identical except one that’s heavier. You have a balance scale and can use it twice. How do you find the odd ball?, Use your sense of balance. Try each pair of balls until you fins which is heavier., Scores 2., 5, 12, Scores 2. A farmer needs to cross a river in a small boat. They can only carry one item (a wolf, a goat, or a cabbage) in the boat with them at a time., 1) goat there 2) back empty 3) wolf there 4) goat back 5) cabbage there 6) empty back 7) goat there, Bring the goat and the cabbage and the wolf will swim,, Scores 1. Mike is running a marathon. He is the 3d. He makes an effort and overtakes the runner who is the 2nd. What which place is Mike now?, The leader, of course!, The 2nd., Scores 1. In a pond there are some ducks in a row. Two ducks are in front of a duck. Two ducks are behind a duck. There is a duck in the middle. How many ducks are there?, Three. Two ducks are in front of the last duck; the first duck has two ducks behind it; one duck is between the other two., Five. One in the middle, two ducks ahead, two ducks behind., Scores 3. Two friends, Hans and Marta, play games of tennis against each other. They bet $1 on each game they played. In the end, Hans won three bets. Marta won $5. How many games did they play?, Eleven. Marta lost three games to Hans so she lost $3 ($1 per game). She had to win back that $3 with three more games, then win another five games to win $5., Eight. 3+5 = 8, Scores 3. So, you’re at a crossroads. One direction leads to the City of Lies (where everyone always tells lies) and the other to the City of Truth (where everyone always tells the truth). There’s a person at the crossroads. They live in one of the cities, but you don’t know which one. What question could you ask the person to find out which road leads to the City of Truth?, “Which direction do you live?” Someone from the City of Lies will lie and point to the City of Truth; someone from the City of Truth would tell the truth and also point to the City of Truth., How can I get to the City of Lies?

Logic Puzzles

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