Q 1: The ratio of 6 hrs to 180 minutes is 6:3. True False

Q 2: Find the mean proportional for 5 and 405. 45 9 205 30

Q 3: The cost of 10 bicycles is $200 and the cost of 20 bicycle is $400. Write this in proportion. 10:400 :: 20:200 20:10 :: 200:400 10:20 :: 200:400 20:200 :: 10:400

Q 4: 2 hrs and 50 minutes -- write the numbers as a ratio. 2:50 120:50 50:120 50:2

Q 5: The scale of a building plan is 1/500. A rectangular plot on the plan measures 6.8 cm x 3.7 cm. What are its actual measurements? 18.5 m x 34 m 43 m x 30.3 m 34 m x 18.5 m 24.5 m x 32.4 m

Q 6: The distance d that an object will fall freely from rest varies directly as the square of the time(t^{2}) it falls. If an object falls 122.5 m in 5 seconds, how far will it fall in 18 seconds? 2145.3 m 1932.6 m 1587.6 m 158.6 m