Ratio

What is the ratio of the number of apples to the number of pears?

• 6 : 3

• 3 : 6

• 3 : 9

• 6 : 9

There are 7 boys and 8 girls in a classroom. What is the ratio of the number of boys to the total number of pupils in the classroom?

• 1 : 2

• 7 : 8

• 7 : 15

• 8 : 15

What is the missing number?

14 : 49 = 2 : ____

• 49

• 37

• 14

• 7

The ratio of the number of white chairs to the number of black chairs to the number of grey chairs is 3 : 8 : 5. There are 15 grey chairs. How many chairs are there altogether?

• 15

• 24

• 39

• 48

What is the ratio of the perimeter of the square to the perimeter of the rectangle? Express your answer in its simplest form.

• 1 : 2

• 2 : 3

• 4 : 7

• 5 : 7

Express 24 : 75 in its simplest form.

• 1 : 3

• 1 : 2

• 8 : 25

• 8 : 45

Which of the following is an equivalent ratio of 9 : 45?

• 18 : 54

• 20 : 56

• 45 : 125

• 54 : 227

There are 77 animals in a pet shop. The ratio of the number of rabbits to the number of hamsters is 3 : 8. How many hamsters are there in the pet shop?

• 56

• 24

• 21

• 11

The ratio of Alicia's mass to Bala's mass is 5 : 6. Alicia's mass is 45 kg. What is Bala's mass?

• 48 kg

• 54 kg

• 61 kg

• 68 kg

Express 8 : 36 : 64 in its simplest form.

• 2 : 9 : 16

• 2 : 9 : 8

• 1 : 9 : 16

• 1 : 9 : 8