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Question
X sells a product to Y and makes a profit of 25%. Y sells it to Z at a loss of 20%. If Z buys it for Tk. 140, what is X's purchase price?
210
175
140
150
None of these
ANSWER : 3
Descrption
<p>Let, </p> <p>X's purchase price = a</p> <p>X's selling price = a + a × 25a% = 1.25a</p> <p> = Y's purchase price</p> <p>Y's selling price = 1.25.a - 1.25a × 20% </p> <p> = 1.25a - 1.25a ×20/100</p> <p> = 1.25a - 0.25a</p> <p> = a = Z's purchasing price = 140</p>
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