Math - Sec2 - SA2 - 2023 - Bukit Merah Sec

I Class I Index Number I Name BUKIT MERAH SECONDARY SCHOOL END-OF-YEAR EXAMINATION 2023 SECONDARY 2 EXPRESS MATHEMATICS Paper1 Candidates answer on the Question Paper. READ THESE INSTRUCTIONS FIRST Write your class , index number and name in the spaces at the top of this page . Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs . Do not use staples, paper clips, 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 . 4052/01 6 October 2023 1 hour 15 minutes 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 rr, use either your calculator value or 3.142, unless the question requires the answer in terms of rr. The number of marks is given in brackets [ ] at the end of each question or part question. The total number of marks for this paper is 50. For Examiner's Use Calculator Model: 21 BPN21

1 /,, 54 2.1 Calculate {/ -'3. ----. V 0.03 2 Part A -Answer alll question s A nsiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [ 1] 2 A television screen has sides in the ratio width : height = 4 : 3. A laptop screen has sides in the ratio width : h,eight = 16 : 9. An image exactly fills the television screen. The same image only fills the height of the laptop screen and not the width, as shown in the diagram. Image Find the fraction of the laptop screen not covere d by the image. Give your answer in its lowest tenm . A.ns,ver . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. [2] TSX/BMSS /2023/2E/EOY IP 1 !TURN OVER 22

3 3 The table gives information about a box of books. Hardcover Paperback Fictional 14 12 Non-fictional 6 18 One book is selected at random from the box. Find, as a fraction in its simplest form, the probability that the book is (a) a hardcover book, Ans1,ver ......... ........... ............................ [l] (b) a non-fictional book, Ans,ver .................. ,. ............................ [I] (c) a fictional paperback book. Answer [1] TSX/BMSS/2023/2E/EOY/Pl !TURNOVER 23

4 4 The table shows some correspon ding values of two quantities x and y . (a) With out doing any calcu lation, explain why x and y are inversely proportional. Ans)ver .... ..... .... .. ........ .... ...... ... .............. ...... .. ....... ........... .... ....... ........ . . [1] (b) Express _v in terms of x. Annver y = . . ......... .. . ........ ...... .. .... [l] (c) Hence , find the value of p . Answer p = . ........ .. . . ...... ... . ........... [l] TSX/BMSS /2023/2E1EOY IP 1 !TURNOVER 24

---------------- -- -- ------------ BP-25 5 5 A map has a scale of 1 : 500 000.