S4 E-Math JURONGVILLE P1 2024 EXAM555

This document consists of 20 printed pages. [Turn Over JURONGVILLE SECONDARY SCHOOL PRELIMINARY EXAMINATION 2024 Secondary 4 Express/ 5 Normal Academic STUDENT NAME CLASS INDEX NUMBER MATHEMATICS 4052/01 Paper 1 1 August 2024 2 hours 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class and index number in the spaces on all the work you hand in. Write in dark blue or black pen. You may use a HB pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE ON ANY BARCODES. Answer ALL the questions. The number of marks is given in brackets [ ] at the end of each question or part question. If working is needed for any question it must be shown with the answer. Omission of essential working will result in loss of marks. The total marks for this paper is 90. The use of an approved scientific calculator is expected, where appropriate. If the degree of accuracy is not specified in the question and if the answer is not exact, give the answer to three significant figures. Give answers in degrees to one decimal place. For  , use either your calculator value or 3.142. DO NOT OPEN THE BOOKLET UNTIL YOU ARE TOLD TO DO SO For Examiner’s Use 90 O O O O

2 Jurongville Secondary School 4E5N PRELIM / 4052_01 / 2024 Mathematical Formulae Compound interest Total amount = n rP      + 1001 Mensuration Curved Surface area of a cone = rl Surface area of a sphere = 24 r Volume of a cone = hr 2 3 1 Volume of a sphere = 3 3 4 r Area of triangle ABC = Cabsin2 1 Arc length = r , where  is in radians Sector area = 2 2 1 r , where  is in radians Trigonometry C c B b A a sinsinsin == Abccba cos2222 −+= Statistics Mean =   f fx Standard deviation = 22       −     f fx f fx

3 Jurongville Secondary School 4E5N PRELIM / 4052_01 / 2024 [Turn Over Answer ALL the questions. 1 Solve 3 2 4 3 =+ − x x . Answer …………………………... [1] 2 Ronald drew the following graph to show the number of calories he consumed for lunch in a working week. State one aspect of the graph that may be misleading and explain how this may lead to a misinterpretation of the graph. ……………..………………………...…………………………...…………………………...… ……………..………………………...…………………………...…………………………...… ………….…..…………………………...…………………………...……………………… [2] 600 700 800 900 1000 1100 Monday Tuesday Wednesday Thursday Friday DRASTIC DECREASE IN CALORIES CONSUMED Calories consumed 500

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