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20 questions
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- 1. Multiple Choice
True or False
The number 8 has four factors.
True
False
- 2. Multiple Choice
True or False
The number 7 is prime.
True
False
- 3. Multiple Choice
True or False
The number 6 is a multiple of 3.
True
False
- 4. Multiple Choice
True or False
The number 3 is a factor of 24.
True
False
- 5. Multiple Choice
Which are factors of 20?
2,10,5,4,1,20
3,5,7,9
40,80,100
15,25,35
- 6. Multiple Choice
Which number is prime?
15
21
5
12
- 7. Multiple Choice
Which number is the only even prime number?
2
4
6
12
- 8. Multiple ChoiceWhich is a NOT a factor of 9?0139
- 9. Multiple ChoiceComposite numbers:Are always bigger than prime numbersHave more than 2 factorsHave 2 pairs of factorsDon't have factors
- 10. Multiple ChoiceList the first 5 multiples of 81, 2, 4, 88, 16, 25, 32, 408, 16, 24, 32, 408, 16, 24, 31, 40
- 11. Multiple Choice
Find the HCF of 12 and 16...
2
4
6
8
- 12. Multiple Choice
Find the LCM of 12 and 16...
48
36
64
96
- 13. Multiple Choice
Find the HCF of 8 and 24 ...
2
4
6
8
- 14. Multiple Choice
Find the LCM of 5 and 8...
40
80
20
60
- 15. Multiple Choice
Find the LCM of 6 and 8...
12
16
24
36
- 16. Multiple Choice
Find the HCF of 20 and 24
6
4
5
12
- 17. Multiple Choice
what are the first 5 prime numbers in ascending order?
2,3,4,5,11
1,2,3,5,11
2,3,5,7,11
2,3,11,7,5
- 18. Multiple Choice
Which of the following numbers is not composite?
24
40
66
61
- 19. Multiple ChoiceJoe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?7142228 - 20. Poll
Which concept do you find easier?
HCF
LCM
- Answer choicesTagsAnswer choicesTags