Q 2: If the Representative Ratio is 1:40,50,000 then 1 cm = _?_ km. 40.5 km 40.5 cm 405 km 30.8 m

Q 3: 8 days and 2 weeks -- write the numbers as a ratio. 2:8 8:14 14:8 8:2

Q 4: The cost of 10 bicycles is $200 and the cost of 20 bicycle is $400. Write this in proportion. 10:400 :: 20:200 10:20 :: 200:400 20:200 :: 10:400 20:10 :: 200:400

Q 5: 7:8 :: 35:40 -- is it in proportion? Yes No

Q 6: 24:13 __?__ 13:7 = < >

Q 7: 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

Q 8: 75:25 __?__ 3:1 > < =

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