Maths 2012 Paper - 1470 Words

Write your name here Surname Other names Centre Number Candidate Number Edexcel GCSE Mathematics A Paper 2 (Calculator) Higher Tier Thursday 8 November 2012 – Afternoon Time: 1 hour 45 minutes Paper Reference 1MA0/2H You must have: Ruler graduated in centimetres and millimetres, protractor, pair of compasses, pen, HB pencil, eraser, calculator. Tracing paper may be used. Total Marks Instructions Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name, centre number and candidate number. Answer all questions. Answer the questions in the spaces provided – there may be more space than you need. Calculators may be used. If your calculator does not have a ÊÅ' button,†¦show more content†¦........................................................................................... (2) (b) –5 –4 –3 –2 –1 0 1 2 3 4 5 x Write down the inequality shown in the diagram. .............................................. (2) (c) Solve 3y – 2 5 .............................................. (2) (Total for Question 8 is 6 marks) 10 *P40675A01028* 9 The stem and leaf diagram gives information about the numbers of tomatoes on 31 tomato plants. 0 8 8 9 1 1 1 5 5 2 1 2 2 6 7 8 3 0 2 5 5 7 9 4 2 2 3 5 8 8 5 1 1 3 4 7 8 Key: 5 | 7 = 57 tomatoes (a) Work out the median. .............................................. (1) (b) Work out the interquartile range. .............................................. (2) (Total for Question 9 is 3 marks) *P40675A01128* 11 Turn over *10 In the UK, petrol cost  £1.24 per litre. In the USA, petrol cost 3.15 dollars per US gallon. 1 US gallon = 3.79 litres  £1 = 1.47 dollars Was petrol cheaper in the UK or in the USA? (Total for Question 10 is 4 marks) 12 *P40675A01228* 11 The diagram shows a cube and a cuboid. Diagram NOT accurately drawn x 2 x x x 5 All the measurements are in cm. The volume of the cube is 100 cm3 more than the volume of the cuboid. 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