Question 57

The price of an article is decreased by 10%. To restore it to its former value, the new price must be increased by :

Solution

Let the original price of the article = Rs. $$100$$

If the price is cut by 10%, => New price = $$\frac{100 - 10}{100} \times 100 = Rs. 90$$

To restore to its original value the new price must be increased by = $$\frac{100 - 90}{90} \times 100$$

= $$\frac{100}{9} = 11\frac{1}{9} \%$$

=> Ans - (D)

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