"Integers, Powers and Roots" - Quiz 1

What is the result of multiplying -13 with 7?

• 91

• 101

• -91

• -21

What is the Highest Common Factor (HCF) of 30 and 24?

• 12

• 8

• 6

• 4

Which one of the following is not true?

What is the lowest common multiple (LCM) of 60 and 80?

• 120

• 10

• 240

• 20

Which of the following numbers is a composite number?

• 11

• 7

• 12

• 29

• Yes, Darius is correct
• No, Darius is not correct

• Yes, Daria is correct.

• No, Daria is not correct