Table of Contents
What is a balance puzzle?
A balance puzzle or weighing puzzle is a logic puzzle about balancing items—often coins—to determine which holds a different value, by using balance scales a limited number of times. These differ from puzzles that assign weights to items, in that only the relative mass of these items is relevant. Known.
Where do I report counterfeit coins?
Report suspected counterfeit notes to your local police department or the local U.S. Secret Service office.
How do you count coins with a scale?
Each of the coin counting scales that we offer has easy to understand instructions—simply press the appropriate coin button on the keypad, then place your coins on the tray. The scale is programmed to know how much each type of coin weighs, giving you an instant count.
How many coins are counterfeit?
It has become increasingly difficult for consumers to spot fake coins. The figure of counterfeit coins has more than doubled in the past decade, and shockingly now three out of every 100 coins in circulation are fakes.
What is a cryptogram puzzle?
A cryptogram is a word puzzle featuring encrypted text that the user decrypts to reveal a message of some sort. Cryptograms in newspapers and magazines are usually based on a simple substitution cipher, often replacing each letter in the alphabet with a different one.
What does solve the puzzle mean?
vb tr. 1 to find the explanation for or solution to (a mystery, problem, etc.) 2 (Maths) a to work out the answer to (a problem)
How to solve above 4 coins problem in two weighing?
Note that it is impossible to solve above 4 coins problem in two weighing. The decision tree confirms the fact (try to draw). We can group the coins in two different ways, [ (12, 34)] or [ (1, 2) and (3, 4)]. Let us consider the combination (12, 34), the corresponding decision tree is given below.
Can two coins have the same weight but different weights?
They can have same weight or one of them can be heavier. Lets divide this up into two different cases: Case 1: equal weight: In this case, we know that the unequal coin is among the coins that were on neither side of the balance. We also know, that all the coins we weighted are equal.
How hard are these coin puzzles?
These coin puzzles are hard, but in our opinion, the last one is the most difficult of the coin puzzles in our collection. So, take your time and try to figure them out! 1. BAGS AND BEADS You are given 5 bags. There are 10 beads in each of the bags. In four of the bags, the beads each weigh 10 grams.
Is the fake coin heavier or lighter in three weighings?
No. You cannot find the fake coin and determine whether it is heavier or lighter in three weighings. Since the problem specifically states the fake coin can be either heavier or lighter, any solution that assumes the fake coin to be lighter/heavier is automatically a miss.