Saima sells two sewing machines at Rs. 1,980 each. She gains 10% on one and loses 10% on the other. What is the overall result?
Correct answer C. Loss of 1%
Explanation
When two items sell at the same price with equal gain and loss of x%, there is always a loss of x²/100 = 100/100 = 1%. Overall result: loss of 1%.
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