Question
A shopkeeper sells an item at a profit of 25% and
dishonestly uses a weight that is 30% less than the actual weight. Find his total profit%.Solution
ATQ,
Let CP of 1 kg = Rs. 100 So, he should sell at Rs. 125 (because of 25% profit). But he gives only 700g, which costs him Rs. 70, and sells it for Rs. 125. So, total profit = 125−70 = Rs.55 Now calculate profit% on cost: 
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