#80
You have three cups, one of which is placed upside down and the other two are right-side up. Your goal is to turn all cups right-side up in no more than seven moves. The only restriction is that you have to turn over exactly two cups at each move.
How is it possible???
And in how many moves???
Difficulty Level - 5/5
How is it possible???
And in how many moves???
Difficulty Level - 5/5
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Solution :
The problem is impossible to solve. Since an even plus an even is an even, not an odd, no number of even flips will ever get all the three cups right-side up. To solve the problem, you need an odd number (i.e., three) of cups facing up, so the problem is impossible.
Solution :
The problem is impossible to solve. Since an even plus an even is an even, not an odd, no number of even flips will ever get all the three cups right-side up. To solve the problem, you need an odd number (i.e., three) of cups facing up, so the problem is impossible.
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