Post-UTME Mathematics 2009 Objective — Question 3
Question 3 of 15 from the Post-UTME Screening (Post-UTME) Mathematics 2009 Objective paper, with the correct answer and a full explanation.
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A bricklayer measured the length of a wall to be 4.10m. If the actual length of the wall is 4.25m, find his percentage error.
- A. 3.9/17%Correct
- B. 3.27/41%
- C. 15%
- D. 355/17%
Explanation
Percentage error = |4.10-4.25|/4.25 × 100 ≈ 3.5%, closest to the figures printed for option A in the source.
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