A trader purchased 500kg of wheat at rupees 8 per kg. If he made a profit of 10% per kg for half of his purchase and a loss of 5% per kg for the other half, find his net profit
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Given,
Total weight of wheat = 500 kg
Purchasing rate = Rs. 8 per kg
10% profit for one half and 5% loss for another half
To find,
Amount of net profit.
Solution,
We can simply solve this mathematical problem by using the following mathematical process.
Total purchasing price = 500×8 = Rs. 400
Selling price per kg of first half at 10% profit per kg = 8 + (8×10/100) = Rs. 8.8
Total selling price of first half = (8.8×250) = Rs. 2200
Selling price per kg of second half at 5% loss per kg = 8 - (8 × 5/100) = 8-0.4 = Rs. 7.6
Total selling price of second half = (7.6×250) = Rs. 1900
Total selling price of whole batch = (2200+1900) = Rs. 4100
Profit = 4100-4000 = Rs. 100
Hence, net profit amount is Rs. 100
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