Question

the price of an article is increased by 25% by how much percent of this new value be decreased to restore it to its former value​

Answer 1

Let the original price be Rs. 100

% increase in price = 25

New price of the article = Rs. 125

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Let x % of 125 = Rs 25

∴ $\frac{x}{100}$ × 125 = 25

⇒ 125x = 25 x 100

⇒ x = 20%