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Brinda purchased 18 coats at the rate of Rs 1,500 each and sold them at a profit of 6%. If customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer - Mathematics

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Question

Brinda purchased 18 coats at the rate of Rs 1,500 each and sold them at a profit of 6%. If customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all coats?

Sum

Solution

Given, the cost price of each coat = Rs. 1500

Also, the total number of coat purchased = 18

⇒ We need to find out the cost of each coat and profit earned by brinda.

Now, we know that the total cost of 18 coats = Total number of coats × Cost of each coat.

⇒ Total cost of 18 coats = 18 × 1500 = 27000

⇒ Gain% = 6%

Now, we know that

Gain = `(("Gain"%) xx "Cost price")/100`

⇒ Gain = `(6 xx 27000)/100 = 1620`

Now, we know that Selling price = Gain + Cost price

⇒ Amount received by brinda = 1620 + 27000 = 28620

Customer pay sales tax = 4%

Now, we know that the Total Sales Tax = Cost × Sales Tax

⇒ Total Sales Tax = `(28620 xx 4)/100 = 1144.8`

Now, The cost price with the sales tax Total Cost = Cost + Total Sales Tax.

⇒ Total cost with sales tax = 28620 + 1144.8 = Rs. 29764.8

Cost Price of one coat = `"Total cost"/"Number of coats"`

⇒ Cost price of one coat = `29764.8/18` = Rs. 1653.6

⇒ Profit earned by Brinda = 28620 – 27000 = 1620

Hence, Brinda earned the profit of 1620.

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Chapter 9: Comparing Quantities - Exercise [Page 299]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 9 Comparing Quantities
Exercise | Q 103. | Page 299

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