by selling a watch for Rs.1275, javed lost 15%. At what price should he sell to make a profit of 10%.

Let the cost price be xSP = 1275RsLoss = CP-SPLoss% =(CP-SP)CP×100Loss% = 1515 = x-1275x×10015x =100x -127500or 85x =127500x=1500 Rs.So the CP is 1500Rs.Second case : profit of 10%so Profit = SP-CPlet SP = y, CP= 1500RsProfit% =SP-CPCP×10010 = y-15001500×10010 =y-150015 , 150 =y -1500    , y =1500+150 =1650Rs  So the selling price is 1650Rs.

  • 2

For the first case:

Loss% = ( Cost Price -Selling Price)/Cost Price x 100

Cost Price = CP = ?

Selling Price = SP = Rs. 1275

Loss% = 15%

So:

For the second case:

Gain% = (Selling Price - Cost Price)/Cost Price x 100

Loss% = 15

  • -2

For the first case:

Loss% = ( Cost Price -Selling Price)/Cost Price x 100

Cost Price = CP = ?

Selling Price = SP = Rs. 1275

Loss% = 15%

So:

For the second case:

Gain% = (Selling Price - Cost Price)/Cost Price x 100

Loss% = 15

  • 0

For the first case:

Loss% = ( Cost Price -Selling Price)/Cost Price x 100

Cost Price = CP = ?

Selling Price = SP = Rs. 1275

Loss% = 15%

So:

For the second case:

Gain% = (Selling Price - Cost Price)/Cost Price x 100

Loss% = 15

  • -1

LetOriginal Price of Watch = x15% of x = x*15% = x*0.15GivenSelling pirce = 1275Original Price - 15% of original pirce = Selling Pricex-0.15x=12750.85x=12750.85x/0.85=1275/0.85x=1500Original Price of Watch = Rs. 150010% of 1500 = 10/100 * 1500 = 1/10 * 1500 = 1500/10 = 150Selling price at 10% profit = 1500 + 150 = 1650He sould sell watch to kae for Rs. 1650 to get a profit of 10%.

  • -1
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