1) Simplify fully the ratio 20:30 a) 4:6 b) 200:300 c) 10:15 d) 2:3 e) 6:4 f) 20:30 2) There are 30 pupils in a class. The number of boys to girls is in the ratio 3:7. How many boys are there? a) 8 b) 9 c) 10 d) 11 e) 12 3) It costs £1.20 for 3 pens. How much do 7 pens cost? a) £2.30 b) £2.40 c) £2.80 d) £3.10 e) £12.00 4) The ratio of cordial to water to make a particular juice is 2:7. If I use 8 litres of cordial, how much water do I need? a) 16 litres b) 28 litres c) 18 litres d) 13 litres e) 15 litres 5) Paul is 12 years old. His mum is 28 years older. Write their age to age ratio in its simplest form. a) 3:10 b) 12:28 c) 6:14 d) 3:7 e) 6:20 6) 100g of sweets cost 72p. How much for 500g? a) £7.20 b) £3.50 c) £1.44 d) £3.60 e) £2.88 7) Simplify fully the ratio 2m:80cm. a) 5:2 b) 1:40 c) 40:1 d) 2:5 e) 1:4 8) The ratio of girls to boys in this maths class is 13:19 a) True b) False

Ratio

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