Ratio

© 2006 1 -2008 tutorco.com Q1. Write 28:38 in lowest form. a) 14:7 b) 7:19 c) 14:19 d) 19:14 Q2. Alix and Chloe divide $ 40 in the ratio of 3:5.How much do they each get? a) Alix get $ 18 and Chloe gets $ 14 b) Alix get $ 15 and Chloe gets $ 25 c) Alix get $ 19 and Chloe gets $ 21 d) Alix get $ 15 and Chloe gets $ 15 Q3. Simon made a scale model of a car on scale of 1 to 12.5.The height of model car is 10 cm. What will be the height of real car? a) 125 cm b) 12.5 cm c) 1 cm d) 1.25 cm Q4. Solve for n : 12 4n = a) n = 5 b) n = 2 c) n = 3 d) n = 4 Q5. If ABC is similar to DEF find x if AB = 4 ft. , Ac = 10 ft. and DF = 5 ft. B E A C D F a) 3 ft b) 2 ft c) 8 ft d) 6 ft 7/9/5/VL/S Assessment Test © 2006 2 -2008 tutorco.com Q6. Express 45 min to 2 hours in lowest form. a) 3:8 b) 8:3 c) 9:2 d) None Q7. Find mean proportion between 32 and 50 a) 20 b) 30 c) 1600 d) 40 Q8. Which is better to buy ? i) 12 Kg tomatoes at $ 132 ii) 16 Kg tomatoes for $ 168 a) both b) (i) c) (ii) d) None Q9. A car goes 108 Km in 9 litres of petrol .How many km will it travel in 21 l? a) 18 Km b) 252 Km c) 202 km d) 12 km Q10. There are 16 ducks and 9 geese in certain park .Write the ratio of geese to ducks. a) 9:16 b) 16:9 c) 9:25 d) 25:9 © 2006 3 -2008 tutorco.com Q11. A map with a scale of 1:500,000 has lake that is shown as 2.5 cm long. How long is the actual lake? a) 125 cm b) 12500 Km c) 500,000cm d) 12.5 Km Q12. Find n if 6:15 = n : 25 a) 9 b) 10 c) 11 d) 12 Q13.A car travels 178 Km in 4 hours.How far will it travel in 3.5 hours? a) 157 Km b) 155.75 km c) 155 km d) 156 km Q14. On vacation Linda’s family traveled 495 miles at 55 mph. How long did trip take? a) 8 h b) 10 h c) 9 h d) none Q15. Write ratio and find the unit rate 142 heartbeats per 2 min a) 142 : 2 b) 72 beats per min c) 142 /2 d) 142 : 2 and unit rate : 72 beats per minute.