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{200190}{200}times frac{100}{1}\
=frac{10}{200}times frac{100}{1}% = 5%)