Question

A shopkeeper allow a discount of 20 percent to his customers and still gains 20percent find the M P of an article which cost him rupees 620

Answer 1

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Answer 2

cp = ₹620

discount = 20%

profit = 20
$sp \: = cp(1 + \frac{p\%}{100} ) \\ sp = 620(1 + \frac{20}{100} ) \\ \\ sp = 620 \times \frac{120}{100} \\ sp = 744$
$mp = \frac{sp \times 100}{100 - dis\% } \\ mp = \frac{744 \times 100}{100 - 20} \\ mp = \frac{74400}{80} \\ mp = 930$