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Question

A trader offers "Buy two, get one free" on a certain pair of trousers. If the marked price of the pair of trousers is ₹ 2700, and the trader still earns a profit of 20%, find the cost price of one pair of trousers for the trader.

This question was previously asked in
RRB NTPC 2025 Graduate CBT 2 Question Paper PDF (10-Jul-2026) (Shift 1)
The correct answer is

₹ 1,500

Buy 2, get 1 free means for every 3 pairs given, the customer pays for only 2 at the marked price of ₹2,700 each: revenue \(=2\times2700=5400\).

Let the trader's cost per pair be c. Total cost for 3 pairs: \(3c\). With 20% profit: \(5400 = 1.2\times3c \Rightarrow 3c = 4500 \Rightarrow c = 1500\).

Hence, the cost price of one pair of trousers for the trader is ₹1,500.

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Important Questions from Discount and MP

  1. If a trader marks the price of an article 50 percent more than the cost price and allows a discount of 30 percent, then what is his profit percentage?

  2. What will be the selling price of an article if two successive discounts of 15% and 12% are offered on its marked price of Rs. 25,500?

  3. Printed price of a mobile is Rs. 6,400. It is sold in Rs. 2,560 with two consecutive discount. If first discount is 20%, then what is the second discount?

  4. Lekhana saves Rs. 15 on the purchase of a book when a discount of 20% is given. How much did she pay for the book?

  5. What will be the selling price if three successive discounts of 10% is applied on an item marked at Rs 3000?

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