A stationer purchased one dozen of geometry boxes for RS 900.If he sold 5boxes for RS 390,find his gain or loss percent on one box

Rs.3

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Price of 12 boxes = Rs. 900

So, price of 1 box =  Rs. 900 ÷ 12 = Rs. 75

Selling price for 5 boxes = Rs. 390

So, Selling price of 1 box = Rs. 390 ÷ 5 = Rs. 78

So, Profit or Loss = Selling price - Purchase price

= Rs. 78 - Rs.75

Profit = Rs.3 ( positive means profit)

Hence, his gain on one box is Rs.3.

step-by-step explanation:

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hj=3x+20

ji=15x-64

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step-by-step explanation:

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