Q1. Find the LCM of the following questions.

1. 16 and 48
2. 25 and 45
3. 60 and 80
4. 100 and 120
5. 66 and 99



Q2. Find the HCF of following Question.

1. 25 and 50
2. 50 and 75
3. 40 and 100
4. 100 and 50
5. 120 and 60