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The weight of a day-old chick was measured to be 0.21g. If the actual weight...

Mathematics
JAMB 2019

The weight of a day-old chick was measured to be 0.21g. If the actual weight of the chick is 0.18g, what was the percentage error in the measurement?

  • A. 15.5%
  • B. 18.2%
  • C. 14.8%
  • D. 16.7%
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Correct Answer: Option D
Explanation

Actual weight = 0.18g

Error = 0.21g - 0.18g

= 0.03g

% error = \(\frac{0.03}{0.18} \times 100%\)

= 16.7%

There is an explanation video available below.


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Explanation Video

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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free