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8 years, 2 months ago
7 years, 7 months ago
Hi,
After doing the operations, Ajay will have (2N-16)/6 coins left with him which must be a positive integer. First such 2 digit number will be 11. The next values will be 14, 17, 20 and so on. In this series, 2 digit numbers will be 30.
Hope this answers your query.
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