JAMB Mathematics 2010 Objective — Question 4
Question 4 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2010 Objective paper, with the correct answer and a full explanation.
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4. A student measures a piece of rope and found that it was 1.26 m long. If the actual length of rope is 1.25 m, what was the percentage error in the measurement? A. 0.80% B. 0.40% C. 0.25% D. 0.01%
- A. 0.80%Correct
- B. 0.40%
- C. 0.25%
- D. 0.01%
Explanation
Error = 1.26 - 1.25 = 0.01m. %Error = (0.01/1.25) x 100 = 0.8%.
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