QuestionnumberMark(s)GotFullMarks1323334454647485951061161271371491541641771881912Total:1052020 – 7 – 16xEmerqld – Mathematics CastleAll right reserved 2020except all public exam question , if any , are licensed by copyright owner HKEAAxEmerqld – Mathematics CastleHONG KONG DIPLOMA OF SECONDARYEDUCATION MOCK EXAMINATIONMATHEMATICS Compulsory PartPAPER 1Question-Answer BookTime allowed : 2 hours and 15 minutesThis paper must be answered in Englishotherwise you will be screwed1.After the announcement of the start of theExamination, you should first write youCandidate number and name in the spacesprovided.2.This paper consists of THREE sections,A(1) , A(2) andB, each sections carry 35marks.3.Do not write in the margins. Answer writtenin the margins will not be marked.4.Unless otherwise specified, all working mustbe clearly shown.5.Unless otherwise specified, numericalanswers should be either exact or correctto 3 significant figures.6.The diagrams in the paper are notnecessarily drawn to scale.7.Good luck and have fun :) (???3002 DSEMATH-CPPAPER 1Name :Completed date:MOCK 2SectionA(1) :/35SectionA(2) :/35SectionB:/35
SECTION A(1)(35 marks)1.Makevthe subject of the formula2uv+u3=u−v.(3 marks)2.Factorize(a)2a2−ab−6b2,(1 mark)(b)2c2−cd−6d2−3c+6d.(2 marks)3.Simplify33x−4+23−2x.(3 marks)3002 – Paper I – 2
4.Mean score of a group of students in a Chinese exam is20 . There are five students in thisgroup.(a)Find the total sum of their score.(1 mark)(b)When two other people whose score differ by26are included, the mean score of agroup of students increased by2 . Find the score of these two people.(3 marks)5.A bag has one$1coin, two$2coins and one$10coin. Two coins are selected at randomand they are put in a box. Let$Tbe the total amount of these two coins.(a)List all the possible value ofT.(1 mark)(b)Will Hanky likely to suffer a lost if he buy this box by$6? Explain your answer.