1. What are the proper divisors of 10?
1,2,5,10
1,2,5
2,5,10

2. What is the sum of the proper divisors of 16?
15
31
16

3. Which one of the following numbers is abundant?
45
15
36

4. What is the greatest proper divisor of 72?
36
72
144

5. Which one of the following numbers is deficient?
6
40
27

Score =
Correct answers:

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