Super hard Math for extra Credit?
So I just started school and on my first day my math teacher gave us 2 extra credit problems. They are so hard, my parents can’t even figure them out. And we haven’t covered them either so its not like I haven’t been paying attention. Can you help/explain them?
#1 Ten money bags contain silver dollars. Even though the coins look exactly the same, one of the bags is… Continue reading
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midas touch riddle?
THE MIDAS TOUCH
King Midas was a very wealthy and powerful king who ruled over 10 states. Each
year each of the states would have to send him, as taxes, a bag fi lled with 100 gold coins. Each
gold coin would have to weigh exactly 4 ounces.
One year after the King received all the bags of gold, with each clearly labeled with the
name of the state it… Continue reading
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Am I right when I say the case in Detective Conan Vol.12 with the shapes code wasn't turned into an episode?
In Detective Conan vol.12,Doctor Agasa takes the Detective Boys to a mansion of his uncle’s.There they find a strange code made of various shapes that Agasa says will lead them to a hidden treasure.Only instead,it leads to a robber who is trying to make counterfeit coins.Was this episode ever made into part of the anime series.… Continue reading
Categories: Trivia Tags: agasa, anime series, counterfeit coins, detective conan, hidden treasure, robber, shapes
Probability and divisible by questions help please!!?
A.) Five counterfeit coins are mixed with nine authentic coins. If two coins are drawn at random, what is the probability that one coin is authentic and one is counterfeit?
B.) What is the sum of the integers between 1 and 300 that are divisible by 11, 13 or both?… Continue reading
Categories: Trivia Tags: counterfeit coins, integers, probability, two coins, what is the sum of the integers between 1 and 300 that are divisible by11 or 13 (or both)?
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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Probability and divisible by questions help please!!?
A.) Five counterfeit coins are mixed with nine authentic coins. If two coins are drawn at random, what is the probability that one coin is authentic and one is counterfeit?
B.) What is the sum of the integers between 1 and 300 that are divisible by 11, 13 or both?… Continue reading
Categories: Trivia Tags: counterfeit coins, integers, probability, two coins
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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Design an experiment to find the density of a $1 canadian from its mass and volume.?
and could it be used to identify counterfeit coins?explain.
iclude details
I already figured out 1 way but im not sure if it works or if its right or anything
so if you know
please tell me… Continue reading
Categories: Trivia Tags: counterfeit coins
Does the 1799 Silver Dollar have writing on its side?
I have received this coin a few years ago from my grandpa. I know that there are several counterfeit coins just like this one, and I would love to verify that there is writing on the side of this coin. The one I have states "One Dollar Or Unit Hundred Cents." This coin seems pretty legit to me, but I have not been able to find out what is on… Continue reading
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You have fifteen piles of coins, each pile containing twenty coins. The coins appear to be identical in…?
every respect; however, they are not. Fourteen of the piles contain coins that weigh 2 grams each, but one pile is counterfeit, and those coins weight 2.1 grams each. You have at your disposal a single pan scale, such as is used to weigh produce, and your problem is to determine which of the piles contains the counterfeit coins, using the scale once and only once. You may not add… Continue reading
Categories: Trivia Tags: counterfeit coins, piles
