Math problem?
You are given ten stacks of silver dollars. Each stack contains ten coins. Nine of the stacks are completely genuine and one is completely counterfeit. You are told that a genuine silver dollar weighs 26.7 grams. You are given a scale and are allowed to weigh any number of coins, but you are allowed only one weighing! How many coins should you wwigh to eb sure of identifying the counterfeit… Continue reading
Categories: Trivia Tags: Coins, genuine silver, how to determine if canadian currency is counterfiet, silver dollar, Silver Dollars, stack, stacks
Riddle! There are ten stacks of ten gold coins on a table…?
You are told the weight of the coins and guaranteed that nine of the stacks contain real gold coins. The tenth stack has all counterfeit coins that weigh exactly one gram more than a real coin. YOu are given a scale which weighs in grams and are told if you can determine which stack is counterfeit the nine stacks are yours. Unfortunately, you can only use the scale once! Describe… Continue reading
Categories: Trivia Tags: 10 penny stacks riddle, counterfeit coins, Gold Coins, riddle - queen 10 grams coins was jibbed, stack, stacks, ten penny riddle weight
Some more maths logic questions?
1. In a row of five persons, A is next to B. E is on right side of A who has D on his left side. C and D do not sit together. Who are sitting at the two ends of the row?
2. A person has nine coins, all looking alike but one of them slightly lighter than the others. Using a balance without weights, can he… Continue reading
Categories: Trivia Tags: 10 stacks of coins, centimeter cubes, Coins, number of sides on a canadian dollar, pointer, side c, small cubes, stack, stacks, weights
counterfiet coin puzzle?
there are ten stacks of ten silver dollars. you are given the weight of a real silver dollar, and are told each counterfeit coin weighs one gram more than a real silver dollar. you also know that one of the stacks is completely counterfiet, and you can use a scale that weighs by grams, what is the minimum number of weighings needed to determine the counterfeit stack?… Continue reading
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Math Question Help I Dont Get It?
You have 10 stacks of 10 coins each. One stack is counterfeit. A real coin weighs 10 grams, and a counterfeit on weighs 11 grams. All coins look identical. With only one weighing, how can you tell which stack is counterfeit?… Continue reading
Categories: Trivia Tags: Coins, stack, stacks, you have 10 stacks of 10 coins each. one stack
Gold coin problem. It’s tricky and confusing.?
Suppose You have 5 stacks with 20 supposedly gold coins in each stack. Each authentic gold coin weighs 10 grams, but two of the stacks are composed of only counterfeit coins weighing 11 grams each. You are given a scale the weighs grams. Figure out a way to determine the counterfeit stacks in one weighing using the scale.… Continue reading
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Math riddle i think the answer is one but am not sure?
ou have ten stacks of 10 half dollar coins. one entire stack is counterfeit but you do not know which one. you do know the weight of a genuine half dollar and you also know that the counterfeit coins are each one gram more than they should be. you may weigh the coins on a deli type scale. what is the smallest number of weighings necessary to determine which stack… Continue reading
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How do you determine which stack is counterfeit with only one weighing?
there are 10 stacks of 10 gold coins, each coin 2 ounces. one stack is counterfeit each coin 1 ounce.… Continue reading
Categories: Trivia Tags: Gold Coins, Ounce, stack, stacks
What is the smallest number of weighings needed to determine which of the stacks is counterfeit?
There are 10 stacks of coins, each consisting of 10 silver dollars. One entire stack is counterfeit. but you do not know which one. You do know the weight of a genuine silver dollar, and you are also told that each counterfeit coin weighs 1 gram more or less than a genuine coin. You have a pointer scale which you use to Weigh the coins.
What is the smallest… Continue reading
Categories: Trivia Tags: 10 stacks of coins, 5 smallest canadian bills, Coins, counterfeit coin, genuine silver, pointer, silver dollar, Silver Dollars, stack, stacks, there are 10 stacks of coins
The counterfeit coins?
You have 10 stacks of coins and each stack contains 10 coins. One complete stack of coins is counterfeit. You know the weight of each genuine coin and you know that the weight of each counterfeit coin is 1 gram heavier or lighter than a genuine coin.
Using a pointer scale ie one that gives an actual reading (not a balance), what is the minimum amount of weighings you… Continue reading
Categories: Trivia Tags: 10 stacks of coins, Coins, counterfeit coin, counterfeit coins, pointer, stack, stacks
