The Grid and Examiner
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
International General Certificate of Secondary Education
*4849274249*
0580/42
MATHEMATICS
October/November 2012
Paper 4 (Extended)
2 hours 30 minutes
Candidates answer on the Question Paper.
Additional Materials:
Electronic calculator
Mathematical tables (optional)
Geometrical instruments
Tracing paper (optional)
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, highlighters, glue or correction fluid.
DO NOT WRITE IN ANY BARCODES.
Answer all questions.
If working is needed for any question it must be shown below that question.
Electronic calculators should be used.
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 π use either your calculator value or 3.142.
At the end of the examination, fasten all your work securely together.
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 130.
This document consists of 20 printed pages.
IB12 11_0580_42/2RP
© UCLES 2012
[Turn over
2
1
A factory produces bird food made with sunflower seed, millet and maize.
For
Examiner's
Use
(a) The amounts of sunflower seed, millet and maize are in the ratio sunflower seed : millet : maize = 5 : 3 : 1 .
(i) How much millet is there in 15 kg of bird food?
Answer(a)(i)
kg [2]
(ii) In a small bag of bird food there is 60 g of sunflower seed.
What is the mass of bird food in a small bag?
Answer(a)(ii)
g [2]
(b) Sunflower seeds cost $204.50 for 30 kg from Jon’s farm or €96.40 for 20 kg from Ann’s farm.
The exchange rate is $1 = €0.718.
Which farm has the cheapest price
International General Certificate of Secondary Education
*4849274249*
0580/42
MATHEMATICS
October/November 2012
Paper 4 (Extended)
2 hours 30 minutes
Candidates answer on the Question Paper.
Additional Materials:
Electronic calculator
Mathematical tables (optional)
Geometrical instruments
Tracing paper (optional)
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, highlighters, glue or correction fluid.
DO NOT WRITE IN ANY BARCODES.
Answer all questions.
If working is needed for any question it must be shown below that question.
Electronic calculators should be used.
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 π use either your calculator value or 3.142.
At the end of the examination, fasten all your work securely together.
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 130.
This document consists of 20 printed pages.
IB12 11_0580_42/2RP
© UCLES 2012
[Turn over
2
1
A factory produces bird food made with sunflower seed, millet and maize.
For
Examiner's
Use
(a) The amounts of sunflower seed, millet and maize are in the ratio sunflower seed : millet : maize = 5 : 3 : 1 .
(i) How much millet is there in 15 kg of bird food?
Answer(a)(i)
kg [2]
(ii) In a small bag of bird food there is 60 g of sunflower seed.
What is the mass of bird food in a small bag?
Answer(a)(ii)
g [2]
(b) Sunflower seeds cost $204.50 for 30 kg from Jon’s farm or €96.40 for 20 kg from Ann’s farm.
The exchange rate is $1 = €0.718.
Which farm has the cheapest price