The price of an article was increased by r%. Later the new price was decreased b

Question

The price of an article was increased by r%. Later the new price was decreased by r%. If the latest price was Rs. 1, then the original price was :

Options:

A . Rs. 1

B . Rs. $$\frac{{1 - {r^2}}}{{100}}$$

C . Rs. $$\frac{{\sqrt {1 - {r^2}} }}{{100}}$$

D . Rs. $$\left( {\frac{{10000}}{{10000 - {r^2}}}} \right)$$

Answer: Option D

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