StudentAidPaper 2 — Variant 2
O Level Mathematics · 4024/22 · Oct/Nov 2023
Questions
2 of 11 questions shown here, checked against the paper. The others are in the PDF above — they contain diagrams or maths we could not yet verify, and we would rather show you the original than a transcription we are not sure of.
1
1(a)
Idris repairs computers. This is how he calculates the charge for a repair. for the first hour. Then for each additional 15 minutes.
1(a)(i)
[2]
Work out the amount Idris charges for a repair that takes him 2 hours.
1(a)(ii)
[3]
Idris charges for another repair. He starts work on the repair at 2.30 pm. Find the time when he completes the repair.
1(b)
[3]
Idris invests in an account paying compound interest at a rate of per year. Calculate the total amount of interest earned at the end of 4 years.
1(c)
[3]
The exchange rate between dollars () and euros () is . Idris buys some equipment from a website that charges in euros. The equipment costs . Idris must pay tax on this cost. Work out the amount Idris pays for the equipment including tax. Give your answer in dollars.
4
4(a)
[2]
Solve.
4(b)
[3]
The mass of a plum is grams. The mass of an apple is twice the mass of the plum. The mass of a banana is 50 grams more than the mass of the apple. The total mass of the plum, the apple and the banana is 450 grams. Form an equation in and solve it to find the mass of the plum.
4(c)
[3]
Solve by factorisation.
Published by Cambridge Assessment International Education. Reproduced for study use.