Question : What will be the net discount (in percentage) after the two successive discounts of 40% and 20%?
Option 1: 60%
Option 2: 68%
Option 3: 52%
Option 4: 42%
Correct Answer: 52%
Solution : Given: First discount = 40% and second discount = 20% Net discount = $(x+y-\frac{xy}{100})$%, where $x$ and $y$ are two successive discounts. = $40+20-\frac{\text{40×20}}{100}$ = $60-\frac{\text{800}}{100}$ = $60-8$ = $52$ So, the net discount = 52% Hence, the correct answer is 52%.
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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%
Question : What will be the net discount (in percent) after giving three successive discounts of 10%, 20%, and 30%?
Option 1: 50.4%
Option 2: 49.6%
Option 3: 45.3%
Option 4: 48.4%
Question : Two successive discounts of 30% and 20% are equivalent to a single discount of:
Option 1: 44%
Option 2: 52%
Option 3: 45%
Option 4: 50%
Question : After giving a 40% discount on an article, there is still a profit of 20%. What will be the profit percentage when no discount is given?
Option 3: 78%
Option 4: 100%
Question : Three successive discounts of 12%, 13% and 11% are equivalent to an approximate single discount of:
Option 1: 40%
Option 2: 32%
Option 3: 35%
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