JAMB Mathematics 2019 Objective — Question 14
Question 14 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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A student measures a piece of rope and found that it was 1.26cm long. If the actual length of the rope was 1.25m, what was the percentage error in the measurement?
- A. 0.80%Correct
- B. 0.40%
- C. 0.25%
- D. 0.01%
Explanation
Error = 1.26−1.25 = 0.01m. Percentage error = (0.01/1.25)×100% = 0.8%.
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