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Question

An item marked for ₹38,800 is available on a discount of 25% or two successive discounts of 10% and 15%. What is the difference between the selling prices in the discount schemes?

This question was previously asked in
RRB NTPC 2024 CBT 1 Question Paper (28-Aug-2025) (Shift 3)
The correct answer is
₹582

Calculate Discount Scheme Selling Prices

The problem involves comparing two discount schemes on a marked price (MP) of ₹38,800.

  • Scheme 1: A single discount of 25%.
  • Scheme 2: Two successive discounts of 10% and 15%.

We need to find the difference between the selling prices (SP) generated by these two schemes.

Scheme 1: Single Discount Calculation

Calculate the selling price with a single 25% discount.

  • Marked Price (MP) = ₹38,800
  • Discount = 25%
  • Selling Price (SP1) = MP × (1 - Discount Rate)
  • SP1 = ₹38,800 × (1 - 0.25)
  • SP1 = ₹38,800 × 0.75
  • SP1 = ₹29,100

Scheme 2: Successive Discounts Calculation

Calculate the selling price with successive discounts of 10% and 15%.

  • Marked Price (MP) = ₹38,800
  • First Discount = 10%
  • Price after 1st discount = MP × (1 - 0.10) = ₹38,800 × 0.90 = ₹34,920
  • Second Discount = 15% (applied on the reduced price)
  • Selling Price (SP2) = (Price after 1st discount) × (1 - 0.15)
  • SP2 = ₹34,920 × 0.85
  • SP2 = ₹29,682

Alternatively, the combined effect of successive discounts is calculated as:

SP2 = MP × (1 - 0.10) × (1 - 0.15)

SP2 = ₹38,800 × 0.90 × 0.85

SP2 = ₹38,800 × 0.765

SP2 = ₹29,682

Determine Price Difference

Find the difference between the two selling prices.

  • Difference = SP2 - SP1
  • Difference = ₹29,682 - ₹29,100
  • Difference = ₹582

The difference between the selling prices in the two discount schemes is ₹582.

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Important Questions from Discount and MP

  1. The marked price of an article is Rs. 1500. A shopkeeper sells it by giving 20% discount on its marked price. If the cost price of the article is Rs. 991, then his profit (in Rs.) is:

  2. Surbhi sold an article for Rs. 176 after giving 12% discount on its marked price. Had she not given any discount; she would have earned a profit of 25%. What is the cost price (in Rs.) of the article?

  3. The marked price of an article is Rs. 240. A shopkeeper sells it by allowing 18% discount on its marked price and still gains 23%. What is the cost price (in Rs.) of the article?

  4. Three shopkeepers A, B and C marked on an identical article at Rs. 4820. A, B and C sold their article on successive discounts of 20% and 20%; 25% and 15%; 30% and 10% respectively. Which shopkeeper gives the maximum discount and how much (in Rs.)?

  5. Find a single discount percentage equivalent to successive discounts of 10%, 20% and 25%.

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