8. After allowing a discount of 30% a shopkeeper still earns a profit of 20%. What is the
marked price of article which costs Rs 700?
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Answer:
marked price = ₹1092
Step-by-step explanation:
given, after allowing a discount of 30% a shopkeeper still earns a profit of 20%
CP of the article = ₹700
the shopkeeper has 20% profit
=> SP of the article = CP + profit = ₹700(1+²⁰/₁₀₀) = ₹700(⁶/₅) = ₹840
since the article has a 40% discount,
=> MP of the article = SP + discount = ₹840(1+³⁰/₁₀₀) = ₹840(¹³/₁₀) = ₹1092
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