Since 1 coin is either lesser or more heavier compared to one of the other 11 coins with equal weights, then the weighing scale’s arms must be unequal in level after putting 6 coins on each side. Riddle: A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." That’s all for 9 balls Puzzle, If you liked it, please share your thoughts in a comments section and share it with others … This riddle is more of a traditional riddle than a logic puzzle, but it still involves some geometry, so brush up on those equations. So take the 2 coins from that group and use the scale to determine the counterfeit coin. Click here! If the scale balances, then the ball that didn’t get weighed is the heavy ball. Show your child how the scale works by putting a penny in each cup and then adding another coin to one of the cups. The counterfeit weigh less or more than the other coins. This question is like our penny problem, only on a larger scale. Why not. Using the Balance Scale at Home . You have one penny and a penny scale. Take a penny, an empty wine bottle, and a cork. If the scale shows a weight of 3 lbs, then Bag #3 contains the real gold. YES NO . Murder Mystery Riddles . If exactly two people on the island had blue eyes, then on the first night, they could each think, "the guru might be talking about the one blue-eyed person I see", so neither would leave the first night. 3) The only available weighing method is the balance scale. A wealthy man once decided to donate money to all the citizens of his area. 2. The end of this can spell the end for any, it can give more than a fortune, yet costs a mere penny. Did you answer this riddle correctly? To make it easy, we’ll consider 12 coins, with one that is lighter or heavier, and numbered from 01 to 12, along with a pan scale: Weighing 1: Weigh 4 on one side, 4 on the other. Click here! More fragile than a blade, yet can kill just as many. Click here! A harder and more general problem is: For some given n > 1, there are (3^n - 3)/2 coins, 1 of which is counterfeit. Show Answer. It is a ‘penny’ scale, which works only when you put a penny in it. When the scale balance shifts, the coin he moved to the now higher side will be the fools gold coin. This means that the counterfeit coin is in the group with 2 coins. You have one reading on the weight. Fun way to think about silver. r/AskReddit: r/AskReddit is the place to ask and answer thought-provoking questions. Assuming the heavier group of … The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. Answer: The man did exactly as he said he would and wrote "your exact weight" on the paper. In the Crimson Garden Dungeon are 3 Statues that ask a riddle and give 3 possible answers. Overcome with depression he slid the window open and jumped through it. The same process of elimination will find the counterfeit coin. It's a game played by serious people that takes place on a global scale. That is, a small dish hangs from each end of a rod that is balanced in the middle. They all look absolutely identical, but one of the coins is fake. Problem. Can you determine the counterfeit in 3 weightings, and tell if it is heavier or lighter? Explicit tables for detecting one odd marble among 41, in 4 weighings. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. The scales available to you are hard to get working (lets say it shorts out easily, so you will only be able to get one reading from it. Solution: Like Rob said in the comments, push the cork IN, then shake the penny out. Enter the supply closet and use the long ruler to get the dime off the top of the shelfs. The scale will tip toward the cup with multiple coins in it. Counterfeit Penny Problem: Find an odd object in the fewest weighings. 4) You may use the scale no more than three times. If only one person on the island had blue eyes, he would leave the first night. Well, if it's a balance scale, he can put half the coins on one side and half on the other and note which side sinks (the side with all the gold coins) and which rises (she side with the fake gold coin).Then he can swap one coin for another from opposite sides. Riddle 16: This small creature kills even the largest one. How did the man win the bet? The Office Window. Once you’ve made your balance scale, it’s time for your child to try it out. This is a classic (and I think overused) logic puzzle. Riddle 18: You get one if you miss one at golf. It can only tell you if both sides are equal, or if one side is heavier than the other. Having only 3 coins left, put a coin on each side of the scale, leaving the third in front of you. Now you have a penny scale. Thus you will put 55 coins on the scale. The Counterfeit Penny Problem. You are given a set of scales and 12 marbles. How can she determine which sack has the gold? C: "So I put the penny in and I get a card and that tells me how much the weight of the gold is." You'll also find lots of scavenger hunt themes, free printable invitations, lists, and many more unique ideas … It's located in the expanded "The Scale, Part 3" post. Pick up the penny and enter the library. Now, which sack has the artificial gold pieces?" If the change in weight on the scale is 10 grams, I 'd add a coin from another bag. Take any 2 coins from this group of 3 coins. You have a balance scale and 12 coins, 1 of which is counterfeit. The scales are of the old balance variety. Scenario #2: One group weighs less than the other. B: "Exactly. The containers could be of any type you prefer. B: "Splendid! The first five of them are rhyming … If the scale shows a weight of 3.2 lbs, then Bag #1 contains the real gold. In the end the boy ended up paying the man $50. Put the penny in the wine bottle and cork the bottle. The answer (as deduced by Mrs … Either way, put the 6 legitimate coins aside. If the scale does not balance, the ball on the heavier side is the heavy ball. Each typically involves a number of similar items and a balance scale. Solved: 47%. 10. ... Take a penny, an empty wine bottle, and a cork. Riddle me this! So for First Riddle. The subject receives 2^64 - 1 = 18,446,744,073,709,551,615 grains of rice. Weigh 6 coins on each arm of scale. 3. Brad stared through the dirty soot-smeared window on the 22nd floor of the office tower. 11. 1. 1. The Scale, Part 3. Now put the 2 groups of 3 coins on the scale. 9. Crimson Garden – Statue Riddle Answers. This puzzle is based on an old game/scam called Penny Ante. But she only has one penny. No matter what you picked, your friend would be able to come up with a combination which would be more likely to beat yours. You have several containers of silver, as many as you like. Q: a father is about to die he has 3 sons he gives each of his sons $500 he says: whoever fills up this barn gets to keep it. Go to the hallway in front of the Supply Closet and pick up the penny. 8. He decided to give $60 to women and $45 to the men. It was a sheer drop outside the building to the ground. You put the penny in, and you get a card, and that tells you how much the weight of the gold is. The silver can be in any form you like. The first son spends $500 on hay it fills a quarter of the barn. If one of the two groups on the scale is heavier, then the gold coin is in that group; if neither, then the gold coin is in the group not on the scale. The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In this case, take 2 pieces from Bag #1, and 1 piece from Bag #2 and put them all on the scale together. There’s three possible outcomes we care about here: The scale shows that the left side is heavier (LH), the right side is heavier (RH), or they are equal (EQ). Here are six riddles for kids where the answer is a coin, so these are great for using with our other money riddles.. Find-a-birthday: Detect an odd marble among 365, in 6 weighings. Now remove the penny without pulling out the cork and without breaking the cork or bottle. If the scale does tip, you know the counterfeit is in the pile on the side of the scale that raised up. Riddle 17: A person's greatest asset. If the scale shows a weight of 3.1 lbs, then Bag #2 contains the real gold. There are 8 x 8 = 64 squares on a chessboard, so here we have the equivalent of doubling pennies for 64 days instead of 30. A Penny. The answer is Quill (Paper and Glass are wrong) Counterfeit Coin: In 3 weighings, find an odd object among 12, 13 or 14. 1 rabbit saw 6 elephants while going to the river - this does not state the elephants are going to the river as well. Every elephant saw 2 monkeys going towards the river - it does not state that every elephant saw 2 different monkeys so we infer that the 2 monkeys seen by the elephants are the same. Riddle 15: An image taken from real life. One of the container contain false … But, you only have one penny. But you only have one penny. Take a look at the coolest selection of scavenger hunt riddles. I remembered the solution to the scale riddle with 12 weights and only 3 weigh-ins. In front of you, there are 9 coins. Now, you have a penny scale." Give the glasses to Mr. Read to get the bookmark. Start . Combine the bookmark with the sticky ruler. 1. I'll keep on adding a coin from each bag until the change in the total weight after adding a coin is by 9 grams and the bag that coin comes from is the low quality one. But out of the 3552 people, only … - - - Take one coin from first bag, two coins from second bag, etc., ending with ten coins from tenth bag. Which sack has the artificial gold pieces? Posted by Charlie Guthrie at 9:25 PM. 12. I would put one coin on the scale from one of the bags. Answer - There are 5 animals going towards the river. 7. What is the least number of weightings you can use to find the counterfeit coin? Click here! Scenario #1: Both groups weigh the same. $\begingroup$ Each use of the balance scales actually compares three different groups of coins: the one on the left scale, the one on the right scale, and the one not on the scale at all. Put the penny in the wine bottle and cork the bottle.