Quiz Answer Key and Fun Facts
1. Number Theory: All prime numbers greater than 2 are odd, but a prime greater than ten can never end in which digit?
2. 3-D Geometry: If the volume of a cube is 27 cubic inches, what is its surface area?
3. Algebra: There is just one perfect square number (a number that can be arrived at by multiplying a positive integer x by itself) between 30 and 40. What is it?
4. Number Theory: Other than 1, the smallest positive number that is both a perfect square and a perfect cube is 64, which is 4 cubed as well as 8 squared. What is the smallest number greater than 64 that is both a perfect square and a perfect cube?
5. Geometry: If a decagon (a ten sided geometric figure) is equi-angular, how many degrees are there in each angle?
6. Irrational Numbers: Without a calculator, if possible, determine which is greater: the cube root of 2 or the tenth root of 10.
7. Binary Math: In binary, which of these numbers represents the Fahrenheit temperature at which water boils (at sea level)?
8. Algebra: I'm three times as old as my little brother but five years from now I'll only be twice as old as him. How old am I now?
9. Clock Mathematics: It is a little after one o'clock and the hour hand and the minute hand are in exactly the same position on my clock. To the naked eye, it is about 1:05, but exactly what time is it?
10. Geometry: If all the angles of a triangle are less than 90 degrees, the triangle is called what?
Source: Author SJM2015
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