Question

1. A model of a car is made to a scale factor of 1:80. If the length of the mod
find the length of the actual car.
2. On a map, the scale is chosen such that 1 cm represents 150 km. If the actual
places is 3600 km, find the distance between the two places on the map.
3. Check whether the given values form a continued proportion :
(a) 5, 20, 80, 160
(b) 3, 9, 27, 84
(C) 5, 15, 45
4. Find the value of the unknown numbers if the following values are in co
(a) 15, 45, x
(b) 8, x, 32, y
(c) 20, x, 2000
5. The model of a skyscraper is 24 cm tall. Find the height of the skyscrap
with a scale factor of 1 : 3250.​

Answer 1

Answer:

2) 24 cm

3) b and c are in continued proportion

4) a.135

b.x-16 / y- 64

c.200

5) 780m