An article when sold at a gain of 5% yields TK. 15 more than when sold at a loss of 5% . Its cost price would be :

An article when sold at a gain of 5% yields TK. 15 more than when sold at a loss of 5% . Its cost price would be : Correct Answer TK. 150

At, 5% gain, selling price = 105 Tk. Again, 5% loss, then selling price = 95tk Difference of both price = ( 105 - 95) tk = 10 tk Selling price 10 tk more than cost price = 100 tk selling price 15 tk more than cost price ( 100×15)/10 = 150 tk.
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