Mathematics

While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate…

While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error

  • A.
    1.17%
  • B.
    6.38%
  • C.
    7.44%
  • D.
    8.035%
  • E.
    9.00%
Correct Answer: Option C
Explanation

%error = (frac{1.21 – 1.12}{1.21} times 100%)

= (frac{9}{121} times 100%)

= 7.44%