A person buys 5 tables and 9 chairs for Rs. 15400.He sells tables at 10% profit and chairs at 20% profit. If his total profit on selling all tables and chairs is 2080 Rs. What is the cost price of 3 chairs?
77 unit =15400 1unit =200 Cost of 9 chairs =200×27=5400 Then, cost of 3 chairs =5400/3=1800 Rs.
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