P6 Ratio #1

Straw A is 4 cm long. Straw B is 10 cm long. What is the ratio of the length of straw A to straw B in simplest form?

• 4 : 10

• 10 : 4

• 2 : 5

• 5 : 2

In a class, there are 12 boys and 10 girls. What is the ratio of the number of girls to the total number of students?

• 12 : 10

• 6 : 5

• 6 : 11

• 5 : 11

A blue ribbon is 5 cm long. A red ribbon is 6 cm long. Express red ribbon's length as a fraction of blue ribbon's length.

Andy and Bella are measuring their heights. Andy is 140 cm tall. If Andy is 4 cm taller than Bella, what is the ratio of Bella's height to Andy's height?

• 35 : 34

• 34 : 35

• 35 : 36

• 36 : 35

• 3 : 4

• 4 : 3

• 3 : 7

• 4 : 7

The ratio of Kevin's mass to Andre's mass is 4 : 5. If their total mass is 72 kg. What is Kevin's mass?

• 8 kg

• 32 kg

• 40 kg

• 90 kg

Which of the following ratios is not equivalent to 6 : 8?

• 3 : 4

• 27 : 36

• 9 : 24

• 12 : 16

The ratio of apples to oranges to melons in a fruit stall is 3 : 5 : 4. There are 60 oranges. How many melons are there?

• 48 melons

• 80 melons

• 45 melons

• 36 melons

The ratio of adults and children in a stadium is 7 : 3. one-third of the adults are women and the rest are men. If there are 360 children there, how many men are there?

• 840 men

• 560 men

• 280 men

• 140 men

The ratio of English books to Chinese books in a shelf is 4 : 9. There are 36 English books in the shelf. Which of the following statements is WRONG?

• There are 81 Chinese books in the shelf.

• There are 45 more Chinese books than English books.

• There are 117 books altogether in the shelf.

• There are 20 less English books than Chinese books.