BWSS_2022_3NA_Math_EOY_P2_QP

Class Full Name Index Number I believe, therefore I am MATHEMATICS Paper 2 Secondary 3 Normal Academic 10 October 2022 2 hours Candidates answer on the Question Paper READ THESE INSTRUCTIONS FIRST Write your class, index number and name 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, glue or correction fluid. 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 number of marks for this paper is 70. 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 THIS PAPER UNTIL YOU ARE TOLD TO DO SO Setter: Mdm Joyce Toh This document consists of 19 printed pages including this cover page. N END OF YEAR EXAMINATION 2022 Calculator Model : 4045/02 For Examiner’s Use 70

2 Mathematical Formulae Compound Interest n rP      += 1001amount Total Mensuration rl= cone a of area Surface Curved 24 sphere a of area Surface r= hr 2 3 1 cone a of Volume = 3 3 4 sphere a of Volume r= cabABC sin2 1 triangleof Area = radiansin is where,length Arc r= radiansin is where,2 1 areaSector 2 r= Trigonometry C c B b A a sinsinsin == Abccba cos2222 −+= Statistics f fx  =Mean 22 deviation Standard        − = f fx f fx

3 Answer all the questions. 1(a) A passenger aircraft has 280 seats. In a particular flight, 226 seats are occupied. Calculate the percentage of empty seats in the aircraft for that flight. Answer ............................................. % [2] (b) The cost of a seat in 2010 is $988. Calculate the cost of a seat