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 ?
Created: 6 months ago | Updated: 5 days ago
Job Solution Bangladesh Bank Bangladesh Bank - Officer(Cash) - 2011 গণিত
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Let,

X's purchase price = a

X's selling price = a + a × 25a% = 1.25a

= Y's purchase price

Y'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

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