Question 20
Ratio, Percentages and RatesThe length of a piece of stick is 1.75 m. A girl measured it as 1.80 m. Find the percentage error.
- A.284/7 %
- B.29/7 %
- C.5%
- D.20/7 %
Show the answer and explanation
Answer: D (20/7 %)
Explanation
Error = 0.05 m. Percentage error = 0.05/1.75 × 100% = 20/7 %.