## Can someone answer these math questions?! Test of Genius worksheet.?

(1) Make this equation correct by changing the position of only one digit.

101-102=1

(2) Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit and weighs slightly less than the others. Using a balance scale, how can he find the counterfeit coin inn just two weighings?

(3) In the following addition problem, the letters A,B,and C stand for three different digits… Continue reading

## Finding the counterfeit coin?

How do we ﬁnd a counterfeit coin among four coins and determine whether it is too heavy or too light?… Continue reading

Categories: Trivia   Tags: counterfeit coin, four coins

## You have 12 coins with the same appearance, but one is counterfeit.?

You don’t know if the counterfeit coin is heavier or lighter than the others, and you only have a pan balance. What’s the minimum number of weighings to determine the counterfeit, and how?… Continue reading

Categories: Trivia   Tags: counterfeit coin, decision tree for locating counterfeit coin

## what does break in the action mean?

I need help with a crossword puzzle.It was assigned for homework over the weekend and I can’t figure some out. Please help.
1.Bath-powder ingredient. - - - c
2.Scheduled to arrive.- - -
3.Aware of. I N O -
4.At any time. E V E -
5.Disorder. M E D -
6.Counterfeit coin. - - U G
7.Eastern European. - - A V
8.Not factual. - O - R -… Continue reading

## Coin Prob-2??

if u r given the information that the counterfeit coin is heavier than the others,how u will pick it in only 2 weighings?… Continue reading

Categories: Trivia   Tags: counterfeit coin

## 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

## U have 16 coins & a balance. 15 of the coins are regular & 1 is a lighter counterfeit coin. Explain how u coul?

You have 16 coins and a balance. Fifteen of the coins are regular, and one is a lighter counterfeit coin. Explain how you could identify the counterfeit coin after the three weightings.… Continue reading

Categories: Trivia   Tags: Coins, counterfeit coin, divide one dollar into 15 coins

## DECISION TREES. Suppose you have a set of 13 coins, one of which is counterfeit (lighter).?

Suppose you have a set of 13 coins, one of which is counterfeit (lighter). Draw a tree to show how you can figure out the counterfeit coin using an unlabelled balance using the fewest number of comparisons.… Continue reading

Categories: Trivia   Tags: Coins, counterfeit coin

## DECISION TREES. Suppose you have a set of 13 coins, one of which is counterfeit (lighter).?

Suppose you have a set of 13 coins, one of which is counterfeit (lighter). Draw a tree to show how you can figure out the counterfeit coin using an unlabelled balance using the fewest number of comparisons.… Continue reading

Categories: Trivia   Tags: Coins, counterfeit coin, what equals a dollar using only 13 coins

## Hard MATH PROBLEM HELP PLEASSE!!!!!!!!!?????

THere are twelve coins that are numbered 1 through 12. Eeleven weigh the same and one is either lighter or heavier than the others. Using just three weighings with a balance scale, devise a scheme that will find the counterfeit coin AND determine whether it is lighter or heavier.… Continue reading

Categories: Trivia   Tags: balance scale, Coins, counterfeit coin

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