Question 20
Ratio, Percentages and RatesA notebook of length 15 cm was measured by a student as 16.8 cm. Calculate, correct to two decimal places, the percentage error in the measurement.
- A.12.00%
- B.11.71%
- C.11.00%
- D.10.71%
Show the answer and explanation
Answer: A (12.00%)
Explanation
Error = 16.8 − 15 = 1.8 cm. Percentage error = 1.8/15 × 100% = 12.00%.