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12 questions
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- 1. Multiple Choice
How many prime numbers are there between 10 and 20?
3
4
5
6
- 2. Multiple Choice
Which number is divisible by both 5 and 10?
52
205
250
502
- 3. Multiple Choice
Which of the following numbers is divisible by 4?
569
926
932
742
- 4. Multiple Choice
Find the smallest whole number that is divisible by 10
and12
40
30
72
60
- 5. Multiple Choice
What is the L.C.M.
of two co-prime numbers?
Their sum
Their difference
Their product
Their quotient
- 6. Multiple Choice
Which one of the following sets has contained all the factors of 40?
1, 2, 3, 4, 5, 8, 20, 40
1, 2, 4, 5, 8, 10, 40
1, 2, 4, 5, 8, 10, 20
1, 2, 4, 5, 8, 10, 20, 40
- 7. Multiple Choice
What are the missing factors?
2 and 3
3 and 6
3 and 3
1 and 9
- 8. Multiple Choice
2 is special because it is the only...
Odd composite number
Even composite number
Odd prime number
Even prime number
- 9. Multiple Choice
What is the missing factor?
3
5
6
7
- 10. Multiple Choice
A number that is multiplied by another number is called a
prime number
factor
factor pair
composite number
- 11. Multiple Choice
What least number should be subtracted from 241569807 so that number becomes exactly divisible by 5?
3
4
5
2
- 12. Multiple Choice
Product of two numbers is 54. If one of the numbers is 3, find the other number.
6
9
18
54
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