ECZ 2021 · GCE Paper 1 — Approximations
A woman estimates the weight of her dog to be 13.15kg. The actual weight of the dog is 10kg. Find the percentage error.
- A. 24%
- B. 31.5%
- C. 3.15%
- D. 315%
Verified working — step 1
Error = 13.15 − 10 = 3.15 kg. Percentage error = error ÷ actual × 100 = 3.15 ÷ 10 × 100 = …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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