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1). Rs. 8402). Rs. 10803). Rs. 10004). Rs. 1200 |
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Answer» COST price of Book = Rs. 800 Profit earned = 5% We KNOW, Selling Price = Cost Price × (1 + (Profit Percentage)/100) ⇒ Selling price = $(800 \times \;\left( {1 + \;\frac{5}{{100}}} \RIGHT))$ ⇒ Selling price = 800 × 1.05 = 840 Suppose the marked price of book is M. We know, Selling Price = Marked Price × (1 – (Discount Percentage)/100) So, $(840 = M \times \;\left( {1 - \;\frac{{30}}{{100}}} \right))$ ⇒ 840 = 0.7 M ⇒ M = 840/0.7 = 1200 ∴ Marked price of book is Rs. 1200. |
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