Question : Successive discounts of 30% and 20% are equivalent to a single discount of:
Option 1: 50%
Option 2: 40%
Option 3: 44%
Option 4: 10%
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Correct Answer: 44%
Solution :
We know,
$\text{Single discount} = (a+b-\frac{a×b}{100}$)%,
where $a,b$ are successive discounts
$\therefore$ Single discount of two successive discounts of 30% and 20% $=30+20-\frac{30×20}{100}=44$%
Hence, the correct answer is 44%.
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