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JAMB Mathematics 1988 Question 3

Question 3

Ratio, Percentages and Rates

A 5.0g of salt was weighed by Tunde as 5.1g. What is the percentage error?

  1. A.20
  2. B.2
  3. C.1
  4. D.0.2
Show the answer and explanation

Answer: B (2)

Explanation

The error is 5.1 − 5.0 = 0.1g. Percentage error = 0.1/5.0 × 100 = 2%.