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A boy estimated his transport fare for a journey as N190 instead of N200. Find…

A boy estimated his transport fare for a journey as N190 instead of N200. Find the percentage error in his estimate
  • A.
    95%
  • B.
    47.5%
  • C.
    5.26%
  • D.
    5%
Correct Answer: Option D
Explanation

The percentage error is (frac{error}{actual}times frac{100}{1}%\
=frac{200-190}{200}times frac{100}{1}\
=frac{10}{200}times frac{100}{1}% = 5%)