Ratio and Proportions

Simplify the ratio 144:32:64

• 9 : 2 : 4

• 18:4:8

• 36:1:16

• 9:1:4

The ratio 108 seconds:3 minute simplifies to

• 18:30

• 18:1

• 3 : 5

• 6:5

39 students went to a field trip. 21 students went to the Amusement Park and 18 students went to the Water Park. What is the ratio of the number of students who went to the Amusement Park to the number of students who went to the Water Park?

• 3:9

• 7:6

• 7:9

• 7:3

Tim, George and Jerry earned AED176.25 by selling personalised stationery and divided their earnings according to their investment. Tim and George received AED70.50 each and Jerry got AED35.25. Write the ratio of Tim, George and Jerry's share in simplest form.

• 2:1:2

• 2:1:3

• 3:3:1

• 2:2:1

Mrs. Smith uses 240cm long ribbon to decorate gifts. She cuts it into three pieces in the ratio 1 : 2 : 5. Work out the length of the longest piece of ribbon.

• 30 cm

• 150 cm

• 80 cm

• 200 cm

A bag contains come blue and red counters. The ratio of blue counters to red counters is 2 : 3. There are 14 red counters. How many blue counters are there?

• 21

• 7

• 5

• 15

Alicia, Xavier and Anders play a game. For every jump of Alicia, Xavier does 3 claps and the Anders stump his feet 6 times. How many times does Alicia jump if Anders stumps his feet 18 times?

• 3

• 6

• 9

• 12

Three angles of a triangle are in the ratio 2 : 3 : 5. The smallest angle is 50⁰. Work out the size of the largest angle.

• 115⁰

• 125⁰

• 135⁰

• 145⁰

A box is filled with coloured pencils: 8 blue, 3 orange, 5 red, and 6 green. For every 3 green pencils, there are 4 _____ pencils.

• oranges

• red

• blue

• green

When Zander makes orange juice, he adds 20 mL of orange juice for every 90mL of cold water. Zander's sister, Ella, adds 45 mL of orange juice for every 180 mL of cold water. Whose mixture will taste more orange?

• Zander's orange juice

• Ella's orange juie

• The two will taste exactly the same.

• It cannot be determined.