S2 Ratio, Scale and Proportion

Front

Back

18 : 10 : 5

Front

If a : b = 9 : 5 and a : c = 9 : 10, then a : b : c =

Back

9 : 5 : 10

Front

Back

15 : 6 : 1.

Front

Back

14 : 21 : 18.

Front

Raymond's total score in three fitness tests is 258 marks. The ratio of his score in the push-up test to the sit-up test is 3:4, and the ratio of the sit-up test to the pull-up test is 5:2. What is Raymond's score in the pull-up test?

Back

48 marks

Front

The scale of a map is 10 cm to 500 m. Express the scale in the form of 1 : n.

Back

1 : 5000

Front

The scale of a map is 35 cm : 7 km. Express the scale in the form of 1 : n.

Back

1 : 20000

Front

Scale of map: 3 cm to 48 km. Actual flight path: 288 km. What is the length on the map?

Back

18 cm

Front

The distance between an airport and a hotel is 6.5 cm on a map with a scale of 1 : 50 000. What is the actual distance between the airport and the hotel?

Back

3.25 km

Front

The length of a highway on a map with a scale of 1: 450 000 is 2.5 cm. Find the length of the highway on another map with a scale of 2 cm to 2.5 km.

Back

9 cm