SOLUTION: after allowing a discount of 10%, the sale price of an oven is rs 900.find the cost price of the oven

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Question 932893: after allowing a discount of 10%, the sale price of an oven is rs 900.find the cost price of the oven
Answer by ptfile(81) About Me  (Show Source):
You can put this solution on YOUR website!
Let   r = rate
     PV = Present Value
     FV = Future Value

PV+=+FV%2F%281-r%29
PV+=+900%2F%281-.10%29
PV+=+900%2F.90
PV+=+1000

The original price is rs 1000.