Question 5
Ratio, Percentages and RatesA bricklayer measured the length of a wall and obtained 4.10m. If the actual length of the wall is 4.25m, find his percentage error.
- A.3 9/17%
- B.3 27/41%
- C.15%
- D.35 5/17%
- E.36 24/41%
Show the answer and explanation
Answer: A (3 9/17%)
Explanation
Error = 4.25 − 4.10 = 0.15m. Percentage error = 0.15/4.25 × 100 = 300/85 = 3 9/17%.