# IGCSE 2021 0580/23 Nov/Dec

Cambridge CIE IGCSE Past Papers and solutions.
Questions and Worked Solutions for IGCSE 2021 0580/23 Nov/Dec.

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IGCSE 2021 0580/23 Nov/Dec (questions)

IGCSE 2021 0580/23 Nov/Dec (mark scheme)

1. Write 26g as a percentage of 208g.
2. The diagram shows two parallel lines intersecting a straight line.
Find the value of x.
3. 11 13 15 17 19
From this list, write down the number that is both a prime number and a factor of 195.
4. Put a ring around each of the symbols that make this statement correct.
5. Nina changes 153 euros into dollars when the exchange rate is \$1 = 0.9 euros.
6. Marek buys a computer for \$420.
He sells it at a loss of 15%.
Calculate the selling price of this computer.
7. Simplify.
8. Beatrice walks 1km at a speed of 4km/h and then 2km at a speed of 4.5km/h.
Work out Beatrice’s average speed for the whole journey.
9. Write the recurring decimal 0.27 as a fraction.

1. These are the first four terms of a sequence.
3 -1 -5 -9
(a) Find the next term in this sequence.
(b) Find the nth term.
2. (a) Find the value of P when M = 100, g = 3 and h = 4.5 .
(b) Rearrange the formula to write g in terms of P, M and h.
3. Without using a calculator, work out
4. Calculate 0.042 + 0.03 x 0.28.
5. (a) Complete the statement.
(b) Find n(Q).
(c) Find n(P' ∩ Q).
6. The cost of a train journey is increased by 6% to a new cost of \$153.70 .
Calculate the original cost of the train journey
7. Jo and Mo share \$26.
Jo receives \$5 more than Mo.
Find the ratio Jo’s money : Mo’s money.
8. Each interior angle of a regular polygon is 178.5°.
Calculate the number of sides of this polygon
9. Find the equation of the straight line that passes through the points (2, -2) and (3, 10).
10. The diagram shows a sector of a circle, centre O, radius 12.6 cm.
Calculate the perimeter of the shaded segment.
11. A lake has an area of 3km2.
On a map the area of the lake is 18.75cm2.
Find the scale of the map in the form 1 : n.
12. Simplify fully.
13. Solve the simultaneous equations.
You must show all your working.
14. The diagram shows a triangular prism.
Angle BPC = 90°.
(a) Calculate AC.
(b) Calculate the angle between AC and the base ABPQ.
15. tan x = √3
16. Simplify
17. ORT is a triangle.
X is a point on TR so that TX : XR = 3 : 2

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