1) What is the intersection of sets A and B? a) A ∩ B b) A ∪ B c) A - B d) B - A 2) Which number is a prime factor of 30? a) 5 b) 6 c) 8 d) 10 3) What is the LCM of 4 and 5? a) 20 b) 10 c) 15 d) 25 4) What is the HCF of 12 and 18? a) 6 b) 3 c) 9 d) 12 5) Which set operation represents union? a) A ∪ B b) A ∩ B c) A - B d) B - A 6) What is the prime factorisation of 28? a) 2² × 7 b) 2 × 14 c) 4 × 7 d) 2 × 2 × 14 7) What is the LCM of 3 and 7? a) 21 b) 14 c) 10 d) 24 8) What is the HCF of 8 and 12? a) 4 b) 2 c) 6 d) 8 9) Which number is not a prime? a) 9 b) 3 c) 5 d) 7 10) What is the complement of set A? a) A' b) A ∪ B c) A ∩ B d) A - B

AP3: Year 8 Maths Quiz

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