Question

Sapna bought two books for Rs.800 each. She sold one book at a loss of 10% and other at a profit of

15%. Find the selling price of each and also find the total profit or loss​

Answer 1

Answer:

Step-by-step explanation:

given cp of first book=800

loss%=10

now

100----->800

90--->?720

so selling price of first book is 720

now cp of second book=800

profit=15%

now

100---->800

105--->?

105*8=840

so selling price of second article is 840

overall profit or loss

total cp=1600

total sp=1560

loss=40

Answer 2

Answer:

C.P of two books= Rs.800

S.P of one book= Rs. 800/2 = Rs. 400

Loss = 10%

S.P= C.P × { 100 - Loss% / 100 }

S.P= C.P × { 100 - 10% / 100 }

= C.P × ( 90% / 100)

$= 400 \times \frac{90}{100} \\ = 360$

S.P of one book = Rs. 360

C.P of other book = Rs. 400

Profit = 15%

S.P = C.P × ( 100 + Profit% )

= C.P × ( 100 + 15% )

$400 \times \frac{115}{100} \\ = 460$

S.P of other book = Rs. 460

Total C.P = Rs. 800

Total S.P = Rs. 360 + Rs. 460

= Rs. 820

Sapna sold the two books at a profit of Rs. 20

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