A man buys 3 type-I cakes and 6 type-II cakes for Rs. 900. He sells type-I cakes at a profit of 15% and type-II cakes at a loss of 10%. If his overall profit isRs.30, the cost price (in Rs.) of a type-I and of a type-II cakes is

A man buys 3 type-I cakes and 6 type-II cakes for Rs. 900. He sells type-I cakes at a profit of 15% and type-II cakes at a loss of 10%. If his overall profit isRs.30, the cost price (in Rs.) of a type-I and of a type-II cakes is Correct Answer 160, 70

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The following questions have three statements. Study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. A shopkeeper sells two articles for Rs. 1480. Find the amount of overall profit/loss. Statement I: Ratio of loss in 1st article and profit in second article is 3 : 4. Statement II: The shopkeeper sells 1st article at 15% loss and 2nd at 25% profit. Statement III: Cost price of 1st article is equal to the selling price of 2nd article.