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Question

The cost price of a toy is ₹210. What should be its marked price so that, after a discount of 5%, the shopkeeper gains 90%?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

₹420

Calculate Marked Price with Discount and Gain

This question asks us to find the marked price (MP) of a toy. We are given the cost price (CP), the discount percentage, and the desired profit percentage (gain). The goal is to determine the price label (MP) such that after applying the discount, the shopkeeper makes the specified profit.

Step 1: Calculate the Selling Price (SP) needed for Profit

First, we determine the selling price required to achieve the target profit.

  • The Cost Price (CP) is ₹210.
  • The desired profit gain is 90%.

The Selling Price (SP) is calculated using the formula:

\( SP = CP \times (1 + \frac{Gain\%}{100}) \)

Substituting the values:

\( SP = 210 \times (1 + \frac{90}{100}) = 210 \times (1 + 0.9) = 210 \times 1.9 = 399 \)

So, the required Selling Price is ₹399.

Step 2: Calculate the Marked Price (MP) using the Discount

Now, we use the calculated Selling Price and the discount information to find the Marked Price.

  • The Selling Price (SP) required is ₹399.
  • The discount offered is 5%.

The relationship between Selling Price (SP), Marked Price (MP), and Discount Percentage is:

\( SP = MP \times (1 - \frac{Discount\%}{100}) \)

To find the Marked Price (MP), we rearrange the formula:

\( MP = \frac{SP}{(1 - \frac{Discount\%}{100})} \)

Substitute the known values:

\( MP = \frac{399}{(1 - \frac{5}{100})} = \frac{399}{(1 - 0.05)} = \frac{399}{0.95} \)

Calculating the final value:

\( MP = 420 \)

Therefore, the Marked Price should be ₹420.

Final Answer Summary

The calculation confirms that setting the marked price at ₹420 allows the shopkeeper to offer a 5% discount and still achieve a 90% gain on the initial cost price of ₹210.

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Similar Questions

  1. Two successive discounts of 25% and 10% on a deal are equivalent to a single discount of:
  2. An article was sold for ₹2,500. Had a discount of 10% been offered, a profit of 12.5% would have been made. What was the cost price?
  3. In a clearance sale of electronic items, an item whose marked price was ₹12,225 is now sold for ₹10,756. d% is the discount percentage on the item. The value of d is:

  4. The list price of an article is ₹5,000 and a discount of 70% is offered on the list price. What additional discount per cent on the already discounted price must be offered to a customer to bring the net selling price to ₹1,275?

  5. A scheme like 'Buy 5, Get 6' on the same kind of articles with the same marked price offers a _______ discount.

  6. The list price of an article is ₹5,100 and a discount of 32% is offered on the list price. What additional discount per cent on the already discounted price must be offered to a customer to bring the net selling price to ₹1,734?
  7. Two successive discounts of 10% and 5% are equivalent to a single discount of______.

  8. A product, whose MRP is ₹1,590, is sold for ₹835 by a wholesale shop owner. What is the percentage of discount given by him (nearest to its integer)?
  9. Two successive discounts of 40% and 60% on a deal equivalent to a single discount of:

  10. WHich of the following options represent two successive discounts that are equivalent to a single discount of 84%?


Important Questions from Discount and MP

  1. Two successive discounts of 25% and 10% on a deal are equivalent to a single discount of:
  2. A shopkeeper offers the following three schemes. Which scheme has the maximum discount percent?
    I. Two successive discounts of 15% and 20%.
    II. Buy 4 get 2 free.
    III. Buy 6 get 4 free
  3. A shopkeeper is given a 10% trade discount and a 5% scheme discount (free units). On purchasing 100 units priced at ₹50 each, what is the trade discount amount?
  4. What is the equivalent single discount for successive discounts of 20% and 10%?
  5. Rahul buys a box of pens (listed price of ₹900) with a trade discount of 30%. What is the net price?
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