Question

The price of an article is cut by $10\%$. To restore it to the original value, the new price must be increased by

• A. $10\%$
• B. $9\frac{1}{11}\%$
• C. $11\%$
• D. $11\frac{1}{9}\%$

Answer 1

The correct option is D $11\frac{1}{9}\%$

Let the article of $100$ be cut to $90$ by $10\%$

Then to restore to $100$

Percentage = $\frac{10}{90}\times 100=11\frac{1}{9}\%$