Multiple choice

A man has to sell pulse at a loss of 10%. If he increases the selling price by Rs 5 per kg, he would make a profit of 15%. Find the cost price and initial selling price per kg of pulse.

  1. Rs 20, Rs 18

  2. Rs 18, Rs 20

  3. Rs 15, Rs 18

  4. Rs 18, Rs 15
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A Correct answer
Explanation

Let CP = x. Initial SP = 0.9x. New SP = 1.15x. Difference = 0.25x = 5. x = 20. Initial SP = 0.9 * 20 = 18.

AI explanation

Let the cost price per kg be Rs. x. Selling at a 10% loss gives an initial selling price of 0.90x. Increasing this price by Rs. 5 yields a 15% profit, so 0.90x + 5 = 1.15x. Solving this equation gives 0.25x = 5, meaning x = 20. The initial selling price is 0.90 times 20, which equals 18. The cost price is Rs. 20 and the initial selling price is Rs. 18.

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