Answer:
The treasure is hidden under 95.
Step-by-step explanation:
The numbers are:
![1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20\\21, 22, 23, 24, 25,26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40\\41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60\\61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80\\81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,100](https://tex.z-dn.net/?f=1%2C%202%2C%203%2C%204%2C%205%2C%206%2C%207%2C%208%2C%209%2C%2010%2C%2011%2C%2012%2C%2013%2C%2014%2C%2015%2C%2016%2C%2017%2C%2018%2C%2019%2C%2020%5C%5C21%2C%2022%2C%2023%2C%2024%2C%2025%2C26%2C%2027%2C%2028%2C%2029%2C%2030%2C%2031%2C%2032%2C%2033%2C%2034%2C%2035%2C%2036%2C%2037%2C%2038%2C%2039%2C%2040%5C%5C41%2C%2042%2C%2043%2C%2044%2C%2045%2C%2046%2C%2047%2C%2048%2C%2049%2C%2050%2C%2051%2C%2052%2C%2053%2C%2054%2C%2055%2C%2056%2C%2057%2C%2058%2C%2059%2C%2060%5C%5C61%2C%2062%2C%2063%2C%2064%2C%2065%2C%2066%2C%2067%2C%2068%2C%2069%2C%2070%2C%2071%2C%2072%2C%2073%2C%2074%2C%2075%2C%2076%2C%2077%2C%2078%2C%2079%2C%2080%5C%5C81%2C%2082%2C%2083%2C%2084%2C%2085%2C%2086%2C%2087%2C%2088%2C%2089%2C%2090%2C%2091%2C%2092%2C%2093%2C%2094%2C%2095%2C%2096%2C%2097%2C%2098%2C%2099%2C100)
<u>Clue A:</u>Start at 3. The rule is: Subtract 2, and then add 5.
3-2+5=6
6-2+5=9
Therefore, this rule eliminates all multiples of 3.
![1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 20\\22, 23, 25,26, 28, 29, 31, 32, 34, 35, 37, 38, 40\\41, 43, 44, 46, 47, 49, 50, 52, 53, 55, 56, 58, 59, \\61, 62, 64, 65, 67, 68, 70, 71, 73, 74, 76, 77, 79, 80\\82, 83, 85, 86, 88, 89, 91, 92, 94, 95, 97, 98, 100](https://tex.z-dn.net/?f=1%2C%202%2C%204%2C%205%2C%207%2C%208%2C%2010%2C%2011%2C%2013%2C%2014%2C%2016%2C%2017%2C%2019%2C%2020%5C%5C22%2C%2023%2C%2025%2C26%2C%2028%2C%2029%2C%2031%2C%2032%2C%2034%2C%2035%2C%2037%2C%2038%2C%2040%5C%5C41%2C%2043%2C%2044%2C%2046%2C%2047%2C%2049%2C%2050%2C%2052%2C%2053%2C%20%2055%2C%2056%2C%2058%2C%2059%2C%20%5C%5C61%2C%2062%2C%2064%2C%2065%2C%2067%2C%2068%2C%2070%2C%2071%2C%2073%2C%2074%2C%20%2076%2C%2077%2C%20%2079%2C%2080%5C%5C82%2C%2083%2C%2085%2C%2086%2C%20%2088%2C%2089%2C%20%2091%2C%2092%2C%2094%2C%2095%2C%2097%2C%2098%2C%20100)
<u>Clue B</u>:Start at 2. The rule is: Add 6.
The numbers are:2,8,14,...
We have left:
![1, 4, 5, 7, 10, 11, 13, 16, 17, 19, \\22, 23, 25, 28, 29, 31, 34, 35, 37, 40\\41, 43, 46, 47, 49, 52, 53, 55, 58, 59, \\61, 64, 65, 67, 70, 71, 73, 76, 77, 79, \\82, 83, 85, 88, 89, 91, 94, 95, 97, 100](https://tex.z-dn.net/?f=1%2C%204%2C%205%2C%207%2C%2010%2C%2011%2C%2013%2C%20%2016%2C%2017%2C%2019%2C%20%5C%5C22%2C%2023%2C%2025%2C%2028%2C%2029%2C%2031%2C%2034%2C%2035%2C%2037%2C%20%2040%5C%5C41%2C%2043%2C%2046%2C%2047%2C%2049%2C%20%2052%2C%2053%2C%20%2055%2C%20%2058%2C%2059%2C%20%5C%5C61%2C%2064%2C%2065%2C%2067%2C%20%2070%2C%2071%2C%2073%2C%20%2076%2C%2077%2C%20%2079%2C%20%5C%5C82%2C%2083%2C%2085%2C%20%20%2088%2C%2089%2C%20%2091%2C%20%2094%2C%2095%2C%2097%2C%20%20100)
<u>Clue C: </u>Start at 5. The rule is: Add 12.
The numbers are: 5,17,29,...
We have left:
![1, 4, 7, 10, 11, 13, 16, 19, \\22, 23, 25, 28, 31, 34, 35, 37, 40\\ 43, 46, 47, 49, 52, 55, 58, 59, \\61, 64, 67, 70, 71, 73, 76, 79, \\82, 83, 85, 88, 91, 94, 95, 97, 100](https://tex.z-dn.net/?f=1%2C%204%2C%207%2C%2010%2C%2011%2C%2013%2C%20%2016%2C%2019%2C%20%5C%5C22%2C%2023%2C%2025%2C%2028%2C%2031%2C%2034%2C%2035%2C%2037%2C%20%2040%5C%5C%2043%2C%2046%2C%2047%2C%2049%2C%20%2052%2C%20%2055%2C%20%2058%2C%2059%2C%20%5C%5C61%2C%2064%2C%2067%2C%20%2070%2C%2071%2C%2073%2C%20%2076%2C%20%2079%2C%20%5C%5C82%2C%2083%2C%2085%2C%20%20%2088%2C%20%2091%2C%20%2094%2C%2095%2C%2097%2C%20%20100)
<u>Clue D: </u>Start at 83. The rule is: Subtract 12.
The numbers are 83,71,59,...
We have left:
![1, 4, 7, 10, 13, 16, 19, \\22, 25, 28, 31, 34, 37, 40\\ 43, 46, 49, 52, 55, 58, \\61, 64, 67, 70, 73, 76, 79, \\82, 85, 88, 91, 94, 95, 97, 100](https://tex.z-dn.net/?f=1%2C%204%2C%207%2C%2010%2C%2013%2C%20%2016%2C%2019%2C%20%5C%5C22%2C%2025%2C%2028%2C%2031%2C%2034%2C%2037%2C%20%2040%5C%5C%2043%2C%2046%2C%2049%2C%20%2052%2C%20%2055%2C%20%2058%2C%20%5C%5C61%2C%2064%2C%2067%2C%20%2070%2C%2073%2C%20%2076%2C%20%2079%2C%20%5C%5C82%2C%2085%2C%20%20%2088%2C%20%2091%2C%20%2094%2C%2095%2C%2097%2C%20%20100)
<u>Clue E:</u> Start at 1. The rule is: Add 3.
The numbers are 1,4,7,...
We are left with:
![95](https://tex.z-dn.net/?f=95)
The treasure is hidden under 95.