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Bunuel
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Bunuel
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General discount = 25%

Volume discount

25 shoes free per 100 per pair of shoes.

Inference: So the retailer pays only for 100 pair of shoes.

% Discount = \(\frac{25}{125}*100\) = 20%


Also, its given that at the end of transaction the shoe manufacturer makes a profit of 20%

Its given that the cost price of per pair of shoes is $c

Let the list price of the pair of shoes be $L

Cost Price to the the retailer = $L * general discount * volume discount = \(c * (1-\frac{20}{100})*(1-\frac{25}{100})\) = \(\frac{3L}{5 }\)

This cost is equal to 20% profit on the cost price to the manufacturer

So,

\(\frac{120}{100} * c = \frac{3L}{5}\)

L = 2c

Option A
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Discount: 25% =1/4
Discount: 25 articles free on each 100 articles---25/125=1/5
Overall profit to be made:20%=1/5
CP SP MP/LP
.....3 4
.....4 5
----------------
.....3 5 Overall effective discount
5 6
----------------
5 6 10
If CP is 5 MP/LP has to be 10
CP=c
MP=2c
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Official Solution:

A shoe manufacturer started offering a standard 25% discount on the list price of a pair of shoes. However, a large retailer requested that in addition to the standard discount, they should additionally receive 25 free pairs of shoes for every 100 pairs they purchase. The manufacturer calculated that even in this case, he would still make a 20% profit on the cost. If the cost price per pair of shoes is \($c\), then what is the list price of the pair of shoes in terms of \(c\)?

A. \(2c\)
B. \(\frac{3}{2}c\)
C. \(\frac{4}{3}c\)
D. \(\frac{5}{4}c\)
E. \(\frac{6}{5}c\)


Observe that the manufacturer essentially offers the retailer 125 pairs of shoes at the list price of 75 pairs — the price of 100 pairs after the 25% discount equals the list price of 75 pairs, and the retailer receives an additional 25 pairs as a gift. The cost price of 125 pairs of shoes is \($125c\). Given that the manufacturer still maintains a 20% profit margin, the selling price becomes \($125c \times 1.2 = $150c\).

Therefore, we deduce that the list price of 75 pairs equals \($150c\), making the list price of one pair equal to \($2c\).


Answer: A­
Can we say list price of each shoe first reduced by 3/4 then by 4/5( since 125 shoes for price of 100)
So 6c/5 = 3/5 * list price
List price = 2c
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Let's take for example the List price is 400. on this 25% discount is offered.

400 - 25%(400) = 300 and out of this 25/125 is given as free as quantity discount i.e again 20% discount.

300 - 300*20% = 240, even selling at 240 gives the profit of 20% on cost c i.e

240 = 1.2c, so cost is 200. Now actual question asked here is what time the cost price is list price. cost * 2 = 400 (list price) L = 2C is the answer.
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