plumiForming differential equations: AQA A‑Level Maths questions
AQA A-Level Maths past-paper questions on G.9 Forming differential equations, 2018–2025, with mark schemes and examiner’s reports where available. Add MadAsMaths questions to your practice, or browse them separately by topic and difficulty.
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All 5 questions on Forming differential equations, as a list
- June 2025, Paper 3, Q11 (10 marks): A block of ice is melting. At time t minutes, the block is in the shape of a cuboid with dimensions of 4x, 2x and x, as shown in the diagram. x 2 x 4 x All meas
- June 2024, Paper 1, Q20 (10 marks): A gardener stores rainwater in a cylindrical container. The container has a height of 130 centimetres. The gardener empties the water from the container through
- June 2023, Paper 1, Q16 (14 marks): (a) Given that 1 16 − 9x2 × A 4 − 3x + B 4 + 3x find the values of A and B [3 marks] 16 (b) An empty container, in the shape of a cuboid, has length 1.6 metres,
- June 2019, Paper 1, Q10 (4 marks): The volume of a spherical bubble is increasing at a constant rate. Show that the rate of increase of the radius, r, of the bubble is inversely proportional to r
- June 2018, Paper 2, Q9 (14 marks): A market trader notices that daily sales are dependent on two variables: number of hours, t, after the stall opens total sales, x, in pounds since the stall ope
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