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Maths Mock 7 ,Paper 1 (3007).pdf - 3007 DSE MATH-CP PAPER 1...

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QuestionnumberMark(s)GotFullMarks1323334354647585951051161271381491531631781891912Total:1052020 – 7 – 25xEmerqld – 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 :) (???3007 DSEMATH-CPPAPER 1Name :Completed date:MOCK 7SectionA(1) :/35SectionA(2) :/35SectionB:/35
SECTION A(1)(35 marks)1.Makenbe the subject of the formula2(5n+8)=−7n9m10.(3 marks)2.Factorizea3+4a216a64.(3 marks)3.Gigi deposited a sum of$20 000at an interest rate ofr%per annum for a year,compounded half yearly. Findrif she received the amount$21218at the end.(3 marks)3007 – Paper I – 2
4.Here is the pie chart which shows time distribution of a random day for Hanky in 2013summer holidays.James found that Hanky spent13.8hours on playing games. Suppose Hanky usedk%ofthe day to do revision. Find the value ofk .(3 marks)5.There are some red marbles and some blue marbles in a bag. Originally, the ratio of thenumber of red marbles to that of blue marbles is8 : 7 . After taking out2red marbles and3blue marbles, the ratio becomes6 : 5 . Find the original numbers of blue marbles.

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