Ratio and Proportion

1.) Express 9:12 as a simple ratio.

• 4:3

• 3:4

• 3:5

• 4:5

What is N in N:8=15:20 ?

• 7

• 4

• 5

• 6

Which of these is a true proportion?

• 6:12=3:6

• 9:10=16:20

• 8:5=16:15

• 18:14=9:6

Paula and Angel gave their mother some roses- 4 white and 9 red roses? What is the ratio of red roses to flowers?

• 4:9

• 9:4

• 9:13

• 4:13

There are 6 boys for every 8 girls eating in a cafeteria. How many boys are there if there are 24 girls?

• 16

• 27

• 32

• 18

How far can a car travel in 4 hours if it travels 180 km in 3 hours?

• 120

• 135

• 240

• 180

________ is the comparison of two numbers or quantities with the same unit of measure?

• rate

• percent

• ratio

• proportion

Compare the number of consonants to vowel in the word MATHEMATICS?

• 4:7

• 7:4

• 3:5

• 5:3

Marites solved 7 out of 10 problems correctly. What is the ratio of the number of correct answers to the number of wrong answers?

• 7:10

• 7:3

• 10:7

• 3:7

The ratio of two numbers is 3:7. If the bigger number is 21, find these numbers?

• 9 and 21

• 3 and 27

• 3 and 9

• 9 and 27