1+ <evaluation >
2+     <!--  Date/Time Calculations --> 
3+     <task >
4+         <prompt >How many days are between March 15, 2024 and September 22, 2025? Include both start and end dates in your count.</prompt >
5+         <response >557</response >
6+     </task >
7+     
8+     <task >
9+         <prompt >If a meeting starts at 11:45 AM and lasts for 2 hours and 37 minutes, what time does it end? Express in 24-hour format as HH:MM.</prompt >
10+         <response >14:22</response >
11+     </task >
12+     
13+     <!--  Modular Arithmetic --> 
14+     <task >
15+         <prompt >What is 2^100 mod 7? Give the exact integer result.</prompt >
16+         <response >2</response >
17+     </task >
18+     
19+     <task >
20+         <prompt >What day of the week will it be 1000 days from Monday?</prompt >
21+         <response >Wednesday</response >
22+     </task >
23+     
24+     <!--  Factorial/Combinatorics --> 
25+     <task >
26+         <prompt >Calculate 15! (15 factorial). Give the exact integer result.</prompt >
27+         <response >1307674368000</response >
28+     </task >
29+     
30+     <task >
31+         <prompt >How many different ways can you choose 5 items from a set of 12 items? (Calculate C(12,5))</prompt >
32+         <response >792</response >
33+     </task >
34+     
35+     <!--  Trigonometric Functions --> 
36+     <task >
37+         <prompt >Calculate sin(π/6) + cos(π/3) + tan(π/4). Give the exact value.</prompt >
38+         <response >2</response >
39+     </task >
40+     
41+     <!--  Logarithms/Exponentials --> 
42+     <task >
43+         <prompt >Solve for x: 2^x = 128. Give the exact integer value.</prompt >
44+         <response >7</response >
45+     </task >
46+     
47+     <task >
48+         <prompt >Calculate ln(e^3) + log₁₀(1000) - log₂(8). Give the exact value.</prompt >
49+         <response >3</response >
50+     </task >
51+     
52+     <!--  Matrix Operations --> 
53+     <task >
54+         <prompt >Calculate the determinant of the 2x2 matrix [[3, 7], [2, 5]].</prompt >
55+         <response >1</response >
56+     </task >
57+     
58+     <!--  Number Theory --> 
59+     <task >
60+         <prompt >What is the greatest common divisor (GCD) of 1071 and 462?</prompt >
61+         <response >21</response >
62+     </task >
63+     
64+     <task >
65+         <prompt >Is 97 a prime number? Answer 'true' or 'false'.</prompt >
66+         <response >true</response >
67+     </task >
68+     
69+     <!--  Bitwise Operations --> 
70+     <task >
71+         <prompt >Calculate 42 XOR 15 (bitwise exclusive OR).</prompt >
72+         <response >37</response >
73+     </task >
74+     
75+     <!--  Floor/Ceiling Functions --> 
76+     <task >
77+         <prompt >Calculate floor(7.8) × ceiling(2.1) + round(4.5).</prompt >
78+         <response >25</response >
79+     </task >
80+     
81+     <!--  Complex Numbers --> 
82+     <task >
83+         <prompt >Calculate the magnitude of the complex number 3 + 4i.</prompt >
84+         <response >5</response >
85+     </task >
86+     
87+     <!--  Base Conversions --> 
88+     <task >
89+         <prompt >Convert the hexadecimal number FF to decimal.</prompt >
90+         <response >255</response >
91+     </task >
92+     
93+     <!--  Statistical Functions --> 
94+     <task >
95+         <prompt >Calculate the median of this dataset: [3, 7, 2, 9, 1, 5, 8].</prompt >
96+         <response >5</response >
97+     </task >
98+     
99+     <!--  Recursive Calculations --> 
100+     <task >
101+         <prompt >Calculate the 10th Fibonacci number (where F(1)=1, F(2)=1).</prompt >
102+         <response >55</response >
103+     </task >
104+     
105+     <!--  Percentage of Percentage --> 
106+     <task >
107+         <prompt >What is 25% of 40% of 80% of 500?</prompt >
108+         <response >40</response >
109+     </task >
110+     
111+     <!--  Unit Conversions --> 
112+     <task >
113+         <prompt >Convert 72 degrees Fahrenheit to Celsius. Round to 1 decimal place.</prompt >
114+         <response >22.2</response >
115+     </task >
116+ </evaluation >
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