Cambridge International Examinations Cambridge Ordinary Level - GCE Guide
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Cambridge International Examinations Cambridge Ordinary Level
MATHEMATICS (SYLLABUS D) Paper 1
Candidates answer on the Question Paper. Additional Materials: Geometrical instruments
4024/12 October/November 2015
2 hours
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. DO NOT WRITE IN ANY BARCODES.
Answer all questions.
If working is needed for any question it must be shown in the space below that question. Omission of essential working will result in loss of marks.
ELECTRONIC CALCULATORS MUST NOT BE USED IN THIS PAPER.
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.
DC (LK/SG) 100474/4 ? UCLES 2015
This document consists of 20 printed pages.
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2 ElEctronic calculators must not bE usEd in this papEr 1 (a) Evaluate 0.03 ? 0.3 .
(b) Evaluate 5 ? 2(3 ? 1.4) .
Answer ................................................. [1]
Answer ................................................. [1] 2 (a) A trader buys 7 items for $4.10 each and 5 items for $6.40 each.
He sells all of them for $10 each. Calculate his profit.
Answer $ ................................................. [1] (b) Find the simple interest on $450 for 5 years at 4% per annum.
? UCLES 2015
Answer $ ................................................. [1]
4024/12/O/N/15
3 3 y varies directly as the square root of x.
Given that y = 18 when x = 9, find y when x = 4.
4 (a) Find f `- 52j.
(b) Find f ?1(x).
Answer y = ................................................. [2] f(x) = 1 + 4x
Answer ................................................. [1]
? UCLES 2015
Answer f ?1(x) = ................................................. [1]
4024/12/O/N/15
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4
5 (a) Write the number 0.050 462 correct to 3 significant figures.
Answer ................................................. [1]
(b) By writing each number correct to 1 significant figure, estimate the value of
8.94 # 0.201 28.8
.
03
15
6
Evaluate
3
c -
3
m 1
-
2
c -
4
-
m 1
.
Answer ................................................. [1]
? UCLES 2015
Answer
[2]
4024/12/O/N/15
5
7 (a) In the diagram, seven small triangles are shaded.
Shade two more small triangles, so that the diagram will then have rotational symmetry of order 3.
[1] (b) In the diagram, ten small hexagons are shaded.
Shade one more small hexagon, so that the diagram will then have exactly one line of symmetry.
[1]
8 a, b, c, d and e are five numbers, such that d < a < c a < e < c a < b < e
Arrange these numbers in order, starting with the smallest.
? UCLES 2015
Answer ............... , ................ , ................ , .............. , ................ [2] smallest
4024/12/O/N/15
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