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A CD was sold at a profit of 12.5%. If it had been sold at a profit of 15%, it would have gained him Rs.10 more. The...
Solution
Let the cost price of the CD be = Rs.a⇒ Selling price of the CD when he sold it at a profit of 12.5% is = (100 +12.5)/100 × a = 1.125 × a = 1.125a⇒...
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