Question

An article marked at 155 is sold for 124,then the percent discount is

Answer 1

The discount percentage is 20%.

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Let's understand a few concepts:

To calculate the discount percentage we will use the following formula/relation between M.P., S.P. and discount%:

$\boxed{\bold{S.P. =M.P. - \bigg(\frac{Discount\%}{100} \times M.P.\bigg)}}$

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Let's solve the given problem:

Let's say "x" % be the rate of discount given on the article.

The M.P. of the article = Rs. 155

The S.P. of the article = Rs. 124

Therefore, by using the above formula, we can form an equation as,

$124 =155 - \bigg(\frac{x}{100} \times 155\bigg)}}$

$\implies \bigg(\frac{x}{100} \times 155\bigg) = 155 - 124$

$\implies \bigg(\frac{x}{100} \times 155\bigg) = 31$

$\implies x\times 155 = 31 \times 100$

$\implies x = \frac{3100}{155}$

$\implies \bold{x = 20\%}$

Thus, the discount percentage is 20%.

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