A A dealer sells a memory card at loss of 10% if he had it at 20% less and sold it for Rs. 55 more than the previous, he would the profit of 40% then find the cost price. sells a memory card at loss of 10% if he had it at 20% less and sold it for Rs. 55 morethan the previous, he would have the profit of 40% then find the cost price.​
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