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Theory
Exercises
1. 
Find the common factor
Difficulty: easy 
2

2. 
Evaluate the highest common factor by prime factor method
Difficulty: easy 
2

3. 
Find the prime factors
Difficulty: easy 
3

4. 
Find the least number
Difficulty: easy 
3

5. 
Evaluate the common multiples
Difficulty: medium 
4

6. 
Specify the largest number of groups he can make
Difficulty: medium 
4

7. 
Find the largest number of plates can prepare by the boy
Difficulty: medium 
4

8. 
Determine the smallest number of books
Difficulty: medium 
4

9. 
Evaluate the smallest number of each type of box
Difficulty: medium 
4

10. 
Obtain the longest tape which can measure the box
Difficulty: medium 
4

11. 
Find the LCM using HCF
Difficulty: medium 
4

12. 
Find the other number
Difficulty: medium 
4

13. 
Determine the smallest three digit number
Difficulty: hard 
5

14. 
What is the greatest length of the rope he can make
Difficulty: hard 
4

15. 
When will the buses meet
Difficulty: hard 
5

16. 
How many pairs are possible
Difficulty: hard 
4

Tests
1. 
Training test
Difficulty: medium 
9

2. 
Training test
Difficulty: medium 
11

3. 
Training test
Difficulty: medium 
10
