Discussion Forum : True Discount
Question -
The marked price of an article is Rs.500. It is sold at successive discounts of 20% and 10%. The selling price of the article (in rupees) is :
Answer: Option B
Answer: (b)Equivalent discount of successive discounts of 20% and 10%= $(20 + 10 - {20 × 10}/100)$% = 28%Selling Price = (100 - 28) % of Rs.500 = 72 % of 500= Rs.${500 × 72}/100$ = Rs.360 Using Rule 3,When successive Discounts $D_1, D_2, D_3$, so on, are given thenSP = MP$({100 - D_1}/100)({100 - D_2}/100)({100 - D_3}/100)$
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Answer: (b)Equivalent discount of successive discounts of 20% and 10%= $(20 + 10 - {20 × 10}/100)$% = 28%Selling Price = (100 - 28) % of Rs.500 = 72 % of 500= Rs.${500 × 72}/100$ = Rs.360 Using Rule 3,When successive Discounts $D_1, D_2, D_3$, so on, are given thenSP = MP$({100 - D_1}/100)({100 - D_2}/100)({100 - D_3}/100)$
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