Question 9
Ratio, Percentages and RatesA string is 4.8m. A boy measured it to be 4.95m. Find the percentage error.
- A.5/16%
- B.1 5/16%
- C.3 1/33%
- D.3⅛%
- E.15%
Show the answer and explanation
Answer: D (3⅛%)
Explanation
Error = 4.95 − 4.8 = 0.15 m. Percentage error = 0.15/4.8 × 100% = 3.125% = 3⅛%.