Multiple choice

A shop keeper provides 20% discount on marked price, if he increases the discount to 25% the selling price reduces by Rs. 18. Find the cost price of the article.

  1. Rs. 360

  2. Rs. 300

  3. Rs. 320

  4. Rs. 400

  5. Cannot be determined
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Let marked price = M. At 20% discount, SP = 0.8M. At 25% discount, SP = 0.75M. Difference: 0.8M - 0.75M = 0.05M = Rs. 18, so M = Rs. 360. However, the question asks for cost price, and we have no information about the relationship between selling price and cost price (profit/loss margin). Without this, CP cannot be determined from the given data.

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