University of North Dakota Grades 11/12
January 12, 2026
School Team Name
Calculators are NOT allowed. Key
Simplify .
(20 pts) 1. 5
How many numbers from 1 to 120 (including 1 and 120) are divisible by 4 or 5?
(20 pts) 2. 48
Find all positive values for a diameter of a circle for which the area of the circle is equal numerically to half of its circumference.
(20 pts) 3. 2
Simplify
(20 pts) 4. 55
Solve .
(20 pts) 5. 6
How many sides does a dodecagon have?
(20 pts) 6.
Find the area of a square with perimeter 56.
(20 pts) 7.
In degrees, what acute angle does the hour and minute hands make at 3:30?
(20 pts) 8.
A set of 5 positive integers has a median of 17 and mean of 13. What is the largest possible value in the set?
(20 pts) 9.
Find the number of ways that a red and a blue die can be rolled so that their product is a multiple of 6. Assume each die is standard with 6-sides.
(20 pts) 10.
