Question : What will be the net discount (in percentage) after two successive discounts of 50% and 50%?
Option 1: 85%
Option 2: 75%
Option 3: 100%
Option 4: 95%
Correct Answer: 75%
Solution : Given: Both first and second discounts = 50% Net discount = $(x+y-\frac{xy}{100})$%, where $x$ and $y$ are two successive discounts. = $50+50-\frac{\text{50×50}}{100}$ = $100-\frac{\text{2500}}{100}$ = $100-25$ = $75$% Hence, the correct answer is 75%.
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