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Move the 3, Triple the number (Posted on 2004-03-01) |
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If you moved the 3 at the end of a certain large number to the beginning, it would be the same as multiplying it by 3. What is the number?
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Submitted by Gamer
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Rating: 3.2000 (5 votes)
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Solution:
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(Hide)
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1,034,482,758,620,689,655,172,413,793
Figuring this from right to left is one method:
3 x 3 + 0 = (0)9
9 x 3 + 0 = (2)7
7 x 3 + 2 = (2)3
3 x 3 + 2 = (1)1
1 x 3 + 1 = (0)4
continuing on until:
3 x 3 + 1 = (1)0
0 x 3 + 1 = (0)1
1 x 3 + 0 = (0)3
Since we are at (0)3, we are back where we started from, so this must be the answer.
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