Question 28
Two cell phones are sold at the same selling price. One gives a $$10\%$$ gain and the other gives a $$10\%$$ loss. The overall percentage loss is
Correct Answer: 1
Solution
Let the selling price of each phone be $$100$$. Their cost prices are $$\frac{1000}{11}$$ and $$\frac{1000}{9}$$, so the total cost price is $$\frac{20000}{99}$$ while the total selling price is $$200$$. The loss percentage is $$1\%$$.
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