Quiz_O_Mania-30

What are the common factors of 12 and 18?

• 1, 2, 3, 4

• 1, 2, 3, 6

• 1, 2, 4, 6

• 1, 3, 6, 9

Find the HCF (Highest Common Factor) of 20 and 25.

• 20

• 100

• 5

• 10

What is the LCM (Lowest Common Multiple) of 4 and 6?

• 2

• 10

• 12

• 24

If two numbers are 8 and 12, their HCF is 4. What is their LCM?

• 16

• 24

• 32

• 48

Which of the following numbers is a common multiple of 3 and 5?

• 5

• 10

• 12

• 30

A shop sells pens in packs of 6 and pencils in packs of 8. If you want to buy the same number of pens and pencils, what is the smallest number of each you can buy?

• 14

• 48

• 2

• 24

What is the HCF of two prime numbers, for example, 7 and 11?

• 0

• 1

• The smaller prime number

• Their product

Two bells ring at intervals of 5 minutes and 7 minutes respectively. If they ring together at 9:00 AM, when will they ring together again?

• 9:05 AM

• 9:12 AM

• 9:35 AM

• 10:00 AM

Which pair of numbers has an HCF of 1?

• 4 and 6

• 9 and 12

• 5 and 8

• 10 and 15

A gardener has 24 roses and 36 lilies. He wants to arrange them into rows with the same number of flowers in each row, and each row having only one type of flower. What is the greatest number of flowers he can put in each row?

• 6

• 12

• 24

• 72