ECZ 2025 · O-Level Paper 1 — Variation
Three variables p, q and r are such that p varies as q and inversely as the square of r. p96aq127242r2b3 Find the value of k, the constant of variation.
- A. 1
- B. 3
- C. 9
- D. 27
Verified working — step 1
p varies as q and inversely as the square of r.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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