This study set covers Mathematics through 15 practice questions. This content focuses on the properties and representations of the number 28. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Understanding the Number 28 study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the number presented in the text?

A 27
B 28
C 29
D 30

2 Is 28 an even or odd number?

A Odd
B Even
C Neither
D Both

3 Which of these is a factor of 28?

4 What is 28 divided by 4?

5 What is 28 multiplied by 1?

A 1
B 27
C 28
D 29

6 What is the sum of the digits in 28?

A 8
B 9
C 10
D 11

7 What is 28 minus 10?

A 17
B 18
C 19
D 20

8 If you have 28 items and group them into sets of 7, how many sets would you have?

9 What is the Roman numeral for 28?

A XXVII
B XXVIII
C XXIX
D XXX

10 Is 28 a prime number?

A Yes
B No
C It depends
D Cannot be determined

11 What is the next integer after 28?

A 27
B 29
C 30
D 28.5

12 How many days are in a typical 4-week period?

A 24
B 28
C 30
D 32

13 What is the smallest prime factor of 28?

A 2
B 4
C 7
D 14

14 If a rectangle has a perimeter of 28 units and one side is 5 units, what is the length of the adjacent side?

A 7
B 8
C 9
D 10

15 What is 28 squared (28*28)?

A 784
B 728
C 628
D 884

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