Revision: Ratio Rate Speed Percent

Write 2/5 in percent

• 20%

• 40%

• 60%

• 18%

• 7/24

• 28/96

• 8/21

• 1/4

Find the percentage increase from a $1200 to $1500.

• 20%

• 25%

• 10%

• 30%

Find x:y if 3x:4y

• 3:4

• 4:3

• 3x:3y

• 4x:3y

Find the average speed if the distance covered is 300 km for 5 hours.

• 300kph

• 30kph

• 60kph

• 45kph

30 tubes of toothpaste cost $14 , find the unit cost of toothpaste.

• $ 0.47

• $1.47

• $2.14

• $2.00

35% 0f a number is 21, what is the number?

• 50

• 60

• 70

• 80

The a:b = 4:5and a:c= 7:9, then find a:b:c

• 28:35:36

• 4:5:7

• 4:7:9

• 5:7:9

Fill the blank: 65km/h =____ m/s

• 1.08

• 65

• 19.06

• 18.06

Find the distance travelled by a car if it departed at 07 50 and reached its destination at 10 30 with an average speed of 65kph.

• 175

• 174

• 173

• 172