# IGCSE 2020 0580/32 Feb/Mar

Cambridge CIE IGCSE Past Papers and solutions.
Questions and Worked Solutions for IGCSE 2020 0580/32 Feb/Mar Paper 3.

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1. Navja works in a post office.
(a) The table shows the costs of sending parcels by post.
The cost depends on the mass, m grams, of the parcel.
(i) Sai sends each of these four parcels by post.
He pays with a \$20 note.
Work out how much change he receives.
(ii) On 1 April, the cost of sending any parcel increases by 5%.
(a) Show that the increase in the cost of sending an Extra large parcel is \$0.28.
(b) Avani says
“As the cost of an Extra large parcel increases by \$0.28 then the cost of a Large
parcel will also increase by \$0.28 to \$2.48.”
Explain why Avani is incorrect.
(b) (i) Navja weighs a parcel with mass wkg on her scales.
She uses the masses shown to balance the scales.
Work out the value of w.
(ii) Sometimes Navja uses an electronic weighing machine.
The machine gives the mass, p kg, of a parcel as 12.4kg, correct to the nearest 100g.
Complete this statement about the value of p.
2. (a) 66 football players each take five penalties.
The number of penalties that each player scores is recorded.
The results are shown in the bar chart.
(i) Write down the mode.
(ii) Write down the range.
(iii) Calculate the mean.
(b) The attendance at a football match is 11678.
(i) Write 11678 in words.
(ii) Write 11678 correct to the nearest 100.
(c) In a football stadium there are 15000 seats.
10650 of these seats are occupied.
Find the percentage of the 15000 seats that are occupied.
(d) A ticket to a football match costs \$20.
Calculate the cost of the ticket in rupees when the exchange rate is 1 rupee = \$0.016.

1. (a) (i) Write down the mathematical name for this type of angle.
(ii) Measure this angle.
(b) (i) Write down the mathematical name for an 8-sided polygon.
(ii) Work out the size of an interior angle of a regular 24-sided polygon.
(c) The diagram shows a circle, centre O, with diameter CE.
A, B, C, D and E lie on the circumference of the circle.
(i) Find the value of x.
(ii) Find the value of y.
(iii) Draw a tangent to the circle at A.
2. (a) The diagram shows the front of Pranav’s house.
(i) Work out the total area of the front of his house.
(ii) The door is 0.9m wide and 2.1m high.
Each of the four windows are 1.5m wide and 1.2m high.
Work out the total area of the door and the four windows.
(iii) Pranav paints the front of his house but not the door and not the four windows.
Work out the area he paints.
(b) Pranav paints a wall of area 53m2.
One litre of paint covers an area of 4.5m2.
Paint is sold in 2.5 litre tins, each costing \$24.75.
Pranav buys the least number of tins to paint this wall.
Work out the cost of the paint.
3. (a) (i) The graph shows the cost, \$c, of travelling a distance, dkm, with Saanvi’s Taxis.
(a) Write down the cost of a 4km journey.
(b) Complete this statement.
Saanvi’s Taxis cost \$ …… for each kilometre travelled.
(c) Find the equation of the line.
(ii) Krishna’s Taxis cost \$5 to hire plus \$2 for each kilometre travelled.
(a) Show that the cost of a 4km journey with Krishna’s Taxis is \$13.
(b) Find an equation for the cost, \$c, of travelling d kilometres with Krishna’s Taxis.
(c) On the grid, draw a line to show the cost of travelling with Krishna’s Taxis.
(d) Mrs Singh wants to hire a taxi.
She says that Saanvi’s Taxis are always cheaper than Krishna’s Taxis.
Is Mrs Singh correct?
(b) A minibus can be hired from Dhruv’s Minibuses.
The cost is \$h per hour plus \$p per passenger.
(i) When the minibus is hired for 3 hours with 10 passengers the cost is \$61.
Complete the equation.
(ii) When the minibus is hired for 5 hours with 8 passengers the cost is \$80.
Write this information as an equation.
(iii) Solve your two simultaneous equations to find h and p.
You must show all your working.
4. (a) (i) On the grid, draw the image of
(a) shape A after an enlargement with scale factor 1/2, centre (3,-5)
(b) shape B after a reflection in the line y = -3.
(ii) Describe fully the single transformation that maps triangle C onto triangle D.
(b) For the triangles shown on the grid, write down the letter of each triangle that is
(i) congruent to triangle X,
(ii) similar to triangle X.
5. (a) The scale drawing shows the positions of a rock, R, and a statue, S, on a map.
The scale is 1 centimetre represents 6 metres.
(i) Work out the actual distance between R and S.
(ii) A flagpole, F, is on a bearing of 164° from S.
Work out the bearing of S from F.
(iii) Ishaan uses the map to find some treasure, T.
T is on a bearing of 076° from R and on a bearing of 337° from S.
Mark the position of T on the map.
(b) The treasure is a bag of coins.
The coins are made from three different metals.
(i) Complete the table.
(ii) Complete the pie chart.
6. The grid shows the first three diagrams in a sequence.
Each diagram is made using small squares that are white or grey.
(a) On the grid, draw Diagram 4.
(b) Write down the term to term rule for the number of grey squares.
(c) Complete the table.
(d) Work out the number of small white squares in Diagram 18.
(e) One of the diagrams has a total of 900 small squares.
Work out its Diagram number.
(f) Another diagram has 43 small grey squares.
Work out the total number of small squares in this diagram.
7. (a) E = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
F = {x: x is a factor of 14}
P = {x: x is a prime number less than 14}
(i) Write down the elements in set F.
(ii) Write down the elements in set P.
(iii) (a) Complete the Venn diagram.
(b) Write down n(F ∩ P).
(c) A number is chosen at random from the universal set E.
Write down the probability that the number is in the set F ∪ P.
(b) Write 195 as a product of its prime factors.

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