1) Simplify the ratio 20:30 a) 4:6 b) 200:300 c) 10:15 d) 2:3 e) 6:4 f) 30:20 2) Simplify fully the ratio 2m:80cm a) 1:4 b) 5:2 c) 1:40 d) 2:5 e) 40:1 3) There are 30 people working in the IT department at a large Computer Software company. The number of men to women is in the ratio of 4:3. It there are 21 women how many staff members are there all together? a) 49 b) 9 c) 30 d) 7 e) 10 4) The ratio of staff to computer bays should be in the ratio of 8:6. If there are 12 members of staff, how many computer bays are needed? a) 14 b) 16 c) 12 d) 10 e) 9 5) Charlie wants to split her workout into cardio and strengh training in the ratio of 2:5. She spends 40 minutes on the strength part of her workout. How long was her workout in total? a) 48 mins b) 62 mins c) 56 mins d) 58 mins 6) The ratio of girls to boys who participated in a survey about social media is 3:5, what fraction are girls? a) 5/3 b) 5/8 c) 3/8 d) 3/5 7) What is the length of the ramp when the height is 72cm, using the ratio 1:12? a) 6 cm b) 86.4 m c) 84 m d) 8.64 cm 8) The height of the larger ramp is 3m and the length is 9m. What is the height of the smaller ramp when the length is 1.5m ? a) 1.5 m b) 1 m c) 2 m d) 0.5 m

Ratio and Proportion

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