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A string is 4.8m. A boy measured it to be 4.95m. Find the percentage error.

Mathematics
WAEC 1994

A string is 4.8m. A boy measured it to be 4.95m. Find the percentage error.

  • A. \( \frac{5}{16} \)%
  • B. \(1\frac{5}{16} \)%
  • C. \( 3\frac{1}{33} \)%
  • D. \( 3\frac{1}{8} \)%
  • E. 25%
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Correct Answer: Option D
Explanation

4.95m - 4.8m = 0.15m

\(\frac{0.15}{4.8} \times 100%\)

= \(\frac{25}{8}\)

= \(3\frac{1}{8} %)

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Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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