1) What is the HCF of 12 and 16? a) 4 b) 48 c) 8 d) 2 2) What is the HCF of 9 and 15? a) 3 b) 45 c) 5 d) 1 3) What is the HCF of 18 and 24? a) 6 b) 72 c) 12 d) 3 4) What is the HCF of 20 and 30? a) 10 b) 60 c) 5 d) 2 5) What is the HCF of 14 and 28? a) 14 b) 42 c) 7 d) 2 6) What is the HCF of 8 and 32? a) 8 b) 256 c) 4 d) 2 7) What is the HCF of 25 and 35? a) 5 b) 175 c) 10 d) 1 8) What is the HCF of 6 and 9? a) 3 b) 54 c) 6 d) 1 9) What is the HCF of 10 and 15? a) 5 b) 150 c) 10 d) 2 10) What is the HCF of 16 and 24? a) 8 b) 48 c) 4 d) 2

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