Correct Answer: Option D
By mistake = x/10
Actual value = x * 10
% Change = \(\frac{10x-{\displaystyle\frac x{10}}}{10x}\times100\;=\;\frac{99}{100}\times100\)
= 99% (negative)
Since actual value is greater than the wrong value.
Download our app for free and access thousands of MCQ questions with detailed solutions