Serangoon Garden 4E5NA_E Maths_Prelim_P1_2021_QP

SGS/Mathematics/4E5N/2021/Prelim/4048/P1/QP [Turn over CANDIDATE NAME CLASS REGISTER NUMBER ____________________________________________________________________ _ MATHEMATICS 4048/01 Paper 1 20 August 2021 Secondary 4 Express/ 5 Normal Academic 2 hours 1030 - 1230 Candidates answer on the Question Paper. ____________________________________________________________________ _ READ THESE INSTRUCTIONS FIRST Write your name, class and class register number on all the work you hand in. Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or correction fluid. Answer all questions. 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 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 π, use either your calculator value or 3.142, unless the question requires the answer in terms of π. The number of marks is given in brackets [ ] at the end of each question or part question. The total of the marks for this paper is 80. This question paper consists of 19 printed pages and 1 blank page. Setter: Ms Tay HY Vetter: Mr Poh Wei Ren SERANGOON GARDEN SECONDARY SCHOOL Vision: Learners with Grit, Leaders with Heart Mission: Nurturing and empowering individuals to lead purposeful lives PRELIMINARY EXAMINATION 2021 FOR MARKER’S USE 80 __________________________ _______________ Name/Signature of Parent/Guardian Date

2 SGS/Mathematics/4E5N/2021/Prelim/4048/P1/QP Mathematical Formulae Compound interest Mensuration Trigonometry Statistics

3 [Turn over SGS/Mathematics/4E5N/2021/Prelim/4048/P1/QP

4 SGS/Mathematics/4E5N/2021/Prelim/4048/P1/QP Answer all the questions. 1 (a) Calculate . Write down the first five digits of your answer. Answer …………………………..…………. [1] (b) Correct your answer in part (a) to 3 significant figures. Answer …………………………..…………. [1] 2 In Singapore, Leon pays S$1.98 for one litre of petrol. On a self-drive holiday to Los Angeles, he paid US$5.40 for a gallon of petrol. The information is given below. 1 US dollar = 1.33 Singapore dollars. 1 gallon = 3.79 litres. Determine if petrol was cheaper in Singapore or Los Angeles? Show your calculations clearly. Answer …