Difference between revisions of "2015 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 4"
(Created page with "== Problem == There are <math>12</math> coins in a parking meter and we know that one of them is counterfeit. The counterfeit coin is either heavier or lighter than the other...") |
Turtleman64 (talk | contribs) (→Solution) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 6: | Line 6: | ||
== Solution== | == Solution== | ||
| − | |||
| − | |||
== See also == | == See also == | ||
Latest revision as of 06:22, 10 May 2022
Problem
There are 
coins in a parking meter and we know that one of them is counterfeit. The
counterfeit coin is either heavier or lighter than the others. How can we find the fake coin
and also if it is heavier or lighter in three weighings using a balance scale? Hint: 
.
Solution
See also
| 2015 UNM-PNM Contest II (Problems • Answer Key • Resources) | ||
| Preceded by Problem 3 |
Followed by Problem 5 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
| All UNM-PNM Problems and Solutions | ||
[[Category:]]
