Question : Find a single discount equivalent to two successive discounts of 12% and 8%.
Option 1: 18.8%
Option 2: 19.04%
Option 3: 19.4%
Option 4: 19.8%
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Correct Answer: 19.04%
Solution : The equivalent single discount to two successive discount $x$% and $y$% is $(x + y - \frac{xy}{100})$% Here $x$ = 8 and $y$ = 12 ⇒ Equivalent single discount = $8 + 12 - \frac{8 × 12}{100}= 20 - 0.96= 19.04$% Hence, the correct answer is 19.04%.
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Question : What is the single discount that is equivalent to two successive discounts of 12.5% and 20%?
Option 1: 31.5%
Option 2: 30%
Option 3: 27.5%
Option 4: 28%
Question : Successive discounts of 15% and 35% are equivalent to a single discount of:
Option 1: 42.28%
Option 2: 12.5%
Option 3: 44.75%
Option 4: 33.33%
Question : Successive discounts of 33% and 30% are equivalent to what single discount?
Option 1: 60.4%
Option 2: 50.5%
Option 3: 45.9%
Option 4: 53.1%
Question : Successive discounts of 15% and 30% are equivalent to how much percent of a single discount?
Option 1: 52.8%
Option 2: 20.5%
Option 3: 33.33%
Option 4: 40.5%
Question : A single discount equivalent to the series of discounts 15%, 10%, and 5% is equal to:
Option 1: 26.5%
Option 2: 31.5%
Option 3: 32%
Option 4: 27.325%
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