Each question contains a statement followed by Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly. Quantity I: The shopkeeper sold an article at 10 % discount on marked price and he gains 20%. If the marked price of the article is Rs.400, then find the cost price. Quantity II: The shopkeeper marks the price of the Pen Rs.350 and his profit % is 15%. Find the cost price of the Pen, if he allows a discount of 8%?
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