S2 Scale drawing

S2 Scale drawing

Multiple Choice

If the height of a building is 8 cm in a scale drawing and the actual height of the building is 120 m, find the scale of the drawing in the form of 1 : n .

• 1 : 1500

• 1 : 150

• 1 : 15000

• 1 : 15

Multiple Choice

The scale of a map is 1 : 50000 . If the length of a tunnel is 2 km, find the length of the tunnel on the map in cm .

• 4 cm

• 40 cm

• 0.4 cm

• 400 cm

S2 Proportions

​P. 1.38

​P. 1.39

​P. 1.39

Multiple Choice

It is given that y is directly proportional to x . When x = 3 , y = 9. If x = 2 , find y .

• 6

• $$\frac{2}{3}$$  

• $$\frac{3}{2}$$  

• $$\frac{1}{6}$$  

Multiple Choice

It is given that y is directly proportional to x . When x = 2 , y = 5. If y = 10 , find x .

• $$4$$  

• $$25$$  

• $$1$$  

• $$100$$  

Multiple Choice

It is given that y is directly proportional to x . When x = 5 , y = 3. If y = 30 , find x .

• $$50$$  

• $$18$$  

• $$2$$  

• $$450$$