Ratio

• 1 and 2

• 12 and 24

• 4 and 8

• 8 and 16

• 3

• 4

• 5

• 6

• 10

• 1

• 5

• 3

It took 5 minutes for Hannah to eat 2 apples. How long does Hannah need to eat 6 apples? (in minutes.)

• 10

• 20

• 15

• 25

A car of brand A consumes 10 liters of gasoline to travel for 100 km. A car of brand B consumes 15 liters of gasoline to travel 135 km. Which of the following statements is false? (Engine efficiency here refers to how far can a car travel for 1 liter of gasoline. The better the efficiency, the further a car can travel per liter of gasoline.)

• Car A has better engine efficiency

• It needs 5 liters of gasoline for car A to travel 50 km.

• Both car A and car B has the same efficiency