A trader offers two succesive discounts of 30% and 10 % . If he sells an article for ₹ 108, then find the marked price of the article
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Formula =sp=[1-D÷100]×[1-D÷100]×mp
So, 108=7÷10×9÷10×mp
=108=63÷100×mp
108×100÷63=mp
Mp=1200÷7
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