Answer
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Hint: We will calculate Profit Percentage by using formula:
Profit Percentage = $100 \times \dfrac{Profit}{Total \ Cost \ Price}\%$
The gain or loss is always calculated on the cost price.
Complete step-by-step answer:
Let us assume that the total number of cakes baked are 100 and let the price of each cake be Rs. 100.
Then, Total Cost Price of 100 Cakes = Price of 1 cake $\times$ Total number of cakes = $100 \times 100 = 10000$ Rs.
Bakery earns a profit of 40% by selling each cake at Marked Price.
Thus, Marked Price of 1 cake = 100 + 40% of 100
Marked price of 1 cake = $100+\dfrac{40}{100}\times 100=100+40=140$ Rs.
Now, in order to calculate profit percent, we require total selling price.
We know, 24% of the cakes were slightly damaged and were sold at 80% of the cost price.
Thus, selling price of 24 cakes = 24 $\times$ 80% of 100
Selling price of 24 cakes = $24\times \dfrac{80}{100}\times 100=24 \times 80=1920$ Rs.
Also, 60% of the cakes were sold at marked price.
Thus, selling price of 60 cakes = 60 $\times$ Marked Price = 60 $\times$ 140 = 8400 Rs.
Since, 16% of the cakes were completely damaged and could not be sold, thus, the selling price of 16 cakes is 0 Rs.
Now, Total Selling price of 100 cakes = 1920 + 8400 = 10320 Rs.
Now, applying the formula of profit, we get,
Profit = Total Selling Price – Total Cost Price = 10320 – 10000 = 320 Rs.
Now, Profit Percent = $100 \times \dfrac{Profit}{Total \ Cost \ Price}=100 \times \dfrac{320}{1000}=\dfrac{32000}{10000}=3.2\%$
Hence, option A is correct.
Note: In this type of questions, we start by calculating total cost price and total selling price and then calculate profit percentage (loss percentage) by calculating the net profit (net loss).
Profit Percentage = $100 \times \dfrac{Profit}{Total \ Cost \ Price}\%$
The gain or loss is always calculated on the cost price.
Complete step-by-step answer:
Let us assume that the total number of cakes baked are 100 and let the price of each cake be Rs. 100.
Then, Total Cost Price of 100 Cakes = Price of 1 cake $\times$ Total number of cakes = $100 \times 100 = 10000$ Rs.
Bakery earns a profit of 40% by selling each cake at Marked Price.
Thus, Marked Price of 1 cake = 100 + 40% of 100
Marked price of 1 cake = $100+\dfrac{40}{100}\times 100=100+40=140$ Rs.
Now, in order to calculate profit percent, we require total selling price.
We know, 24% of the cakes were slightly damaged and were sold at 80% of the cost price.
Thus, selling price of 24 cakes = 24 $\times$ 80% of 100
Selling price of 24 cakes = $24\times \dfrac{80}{100}\times 100=24 \times 80=1920$ Rs.
Also, 60% of the cakes were sold at marked price.
Thus, selling price of 60 cakes = 60 $\times$ Marked Price = 60 $\times$ 140 = 8400 Rs.
Since, 16% of the cakes were completely damaged and could not be sold, thus, the selling price of 16 cakes is 0 Rs.
Now, Total Selling price of 100 cakes = 1920 + 8400 = 10320 Rs.
Now, applying the formula of profit, we get,
Profit = Total Selling Price – Total Cost Price = 10320 – 10000 = 320 Rs.
Now, Profit Percent = $100 \times \dfrac{Profit}{Total \ Cost \ Price}=100 \times \dfrac{320}{1000}=\dfrac{32000}{10000}=3.2\%$
Hence, option A is correct.
Note: In this type of questions, we start by calculating total cost price and total selling price and then calculate profit percentage (loss percentage) by calculating the net profit (net loss).
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