1) Which is 12:18 in its simplest form? a) 2:3 b) 3:2 c) 6:9 d) 4 to 6 2) The ratio of apples to bananas is 2 : 3.5. What fraction of the fruit are bananas? a) 4/7 b) 7/11 c) 3.5/11 d) 3.5/2 3) 450 cm = ? m a) 4.5 b) 45 c) 45000 d) 5 4) 5 m = ? mm a) 50 b) 500 c) 5000 d) 50,000 5) A map is drawn to scale of 1 : 4000 which means that 1 cm on the map represents .... a) 4 m b) 40 m c) 400 m d) 4000 m 6) Tom and Kate share some money in the ratio 3:2. Tom get £30 more than Kate. Which of the diagrams best shows this situation? a) b) c) d) 7) 20% of £140 a) £280 b) £20 c) £120 d) £28 8) What percentage of the grid is shaded? a) 20% b) 6% c) 30% d) 25% 9) Which calculation increases £80 by 6%? a) £80 x 0.06 b) £80 x 1.06 c) £80 x 0.94 d) £80 x 1.6 10) After a pay rise of 10%, Salma earns £350 a week. Which calculation works out her pay before the increase?  a) £350 x 0.1 b) £350 x 1.1 c) £350 ÷ 1.1 d) £350 ÷ 1.01 11) £500 is invested at a simple interest rate of 3%. Which calculation works out the total interest after 5 years?  a) £500 x 0.035 b) £500 x 0.03 x 5 c) £500 ÷ 0.03 x 5 d) £500 x 1.03 x 5

Ratio and Proportion Revision

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