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 price did x pay for it ?
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 price did x pay for it ? Correct Answer 140
Let,X's purchase price = aX's selling price = a + a × 25a% = 1.25a= Y's purchase priceY's selling price = 1.25.a - 1.25a × 20%= 1.25a - 1.25a ×20/100= 1.25a - 0.25a= a = Z's purchasing price = 140