Profit and Loss Part 1
Profit = Selling Price - Cost Price
Loss = Cost Price - Selling Price
Gain or Loss Percentage = ( Loss or Gain / Cost Price )* 100
Ex. If a man purchases 11 balls for Rs 10 and sells 10 balls for Rs. 11 , How much profit or loss does he make ?
Solution : Cost price of one ball = 10 / 11 , Selling Price of one ball 11 / 10
So % profit or loss will be = [( 11 / 10 - 10 / 11 ) / 10 / 11 ] * 100 = 21 %
Rule : If a grocer sells its goods at cost price, but uses a false weigt instead of true weight. Then Gain percentage will be :
Ex. A dealer sell its rice at cost price, but uses its weight 900 gm for kg. Find hig gain percentage.
Solution : % Gain = [ True Weight - False Weight ] / False Weight
Gain % = [ ( 1000 - 900 ) / 900 ] * 100 = 1 * 100 / 9 = 11 . 11 %
Rule : If a shopkeeper sells his goods at x % loss on cost price but uses y gm instead of z gm, then his % profit or loss is
Rule : If a shopkeeper sells his goods at x % gain on cost price but uses y gm instead of z gm, then his % profit is
Ex. A seller uses 900 gm in place of
one kg to sell his goods. Find his actual % profit or loss When he
sells his articles at 5 % loss on cost price ?
Ex. A seller uses 900 gm in place of
one kg to sell his goods. Find his actual % profit or loss When he
sells his articles at 5 % profit on cost price ?
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