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Learn/ O Level Mathematics/ Past Papers/ 2020/ May/June 2020 /Paper 2 (Variant 1)

Paper 2 — Variant 1

O Level Mathematics · 4024/21 · May/June 2020

Question Paper

PDF · 1.5 MB · 20 pages

Mark Scheme

PDF · 269 KB · 8 pages

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Questions

2 of 10 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.

3
3(a) [2]
Rearrange m=4n−3m = 4n - 3 to make nn the subject.
3(b) [3]
Solve these simultaneous equations. Show your working. 10x+7y=−310x + 7y = -3 5x−y=35x - y = 3
3(c) [3]
Solve the equation 5x2+3x−1=05x^{2} + 3x - 1 = 0. Show all your working and give your answers correct to 2 decimal places.
4
Anton invests $6000\$6000 in an account for 5 years. The account has a compound interest rate of 2.5%2.5\% per year. At the end of 5 years, he spends $4200\$4200 of this money on a family holiday to Malaysia.
4(a) [3]
How much money is left in the account?
4(b) [3]
Anton changes $800\$800 into Malaysian Ringgits (MYR) for his trip. The exchange rate is $1=3.16\$1 = 3.16 MYR. He spends 22502250 MYR and then changes the remaining money back into dollars ($\$). The exchange rate on his return is $1=3.27\$1 = 3.27 MYR. How many dollars does he receive on his return? Give your answer correct to the nearest dollar.
4(c) [3]
Anton invests $1500\$1500 in another account. The account has a compound interest rate of p%p\% per year. At the end of 3 years, there is $1598.85\$1598.85 in the account. Calculate pp. Give your answer correct to 2 decimal places.

Published by Cambridge Assessment International Education. Reproduced for study use.