Question 12
Ratio, Percentages and RatesThe length of a piece of stick is 1.75m. A boy measured it as 1.80m. Find the percentage error.
- A.4 4/7%
- B.2 6/7%
- C.2 7/9%
- D.4 7/9%
Show the answer and explanation
Answer: B (2 6/7%)
Explanation
Error = 0.05 m. Percentage error = 0.05/1.75 × 100 = 20/7 = 2 6/7%.