A stick of length 1.75m was measured by a boy as 1.80m. Find the percentage error in his measurement

  • A 27/9%
  • B 26/7%
  • C 5%
  • D 277/9%
  • E 284/7%.
waec 1993mathematics

The correct answer is B. 26/7%

% Error = Error /Actual measurement x 100/1

= 0.05/1.80 x 100/1 = 27/9%

Previous question Next question