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4024/21

Mathematics (Syllabus D) 4024/21 — October/November 2014

Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme

11
questions
100
marks
150
minutes

Topics Algebra and Graphs · Number · Geometry · Trigonometry · Mensuration · Statistics · +3 more

Q1NumberFree sample

Answer all questions in this section.

(a)

The table shows some of the nutritional information for a 300 g300\,\text{g} tin of soup.

Carbohydrate18 g18\,\text{g}
Fat20.1 g20.1\,\text{g}
Fibre0.6 g0.6\,\text{g}
Sodium1.38 g1.38\,\text{g}
(i)

What percentage of the 300 g300\,\text{g} tin of soup is carbohydrate?

______ %

1M
(ii)

What fraction of the 300 g300\,\text{g} tin of soup is fibre?
Give your answer as a fraction in its lowest terms.

______

1M
(iii)

Of the carbohydrates, 15% are sugars.
How many grams of sugars are in one tin of soup?

______ g\text{g}

1M
(b)

I need 2500 g2500\,\text{g} of soup.
How many 300 g300\,\text{g} tins of soup do I need to buy?

______

1M
(c)

During March there is a special promotion and the soup is on sale in tins containing 20% extra.

(i)

These tins of soup each contain 4.2 g4.2\,\text{g} of protein.
How much protein was contained in each original 300 g300\,\text{g} tin of soup?

______ g\text{g}

2M
(ii)

The special promotion tins cost $0.80.
The soup can also be bought in larger tins containing 500 g500\,\text{g} for $1.12.
Is it better value to buy the 500 g500\,\text{g} tin or the special promotion tin?
Show your working.

2M

The rest of this paper

10 more questions
  • Q2Number8M
  • Q3Algebra and Graphs12M
  • Q4Statistics · Number7M
  • Q5Trigonometry · Geometry11M
  • Q6Algebra and Graphs6M
  • Q7Algebra and Graphs · Mensuration12M
  • Q8Geometry · Trigonometry12M
  • Q9Geometry · Coordinate Geometry · Transformations and Vectors · Mensuration · Trigonometry12M
  • Q10Geometry · Algebra and Graphs · Mensuration12M
  • Q11Algebra and Graphs · Number · Statistics · Probability12M
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