Question : Successive discounts of 10% and 10% are equivalent to a single discount of:
Option 1: 18%
Option 2: 19%
Option 3: 20%
Option 4: 21%
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Correct Answer: 19%
Solution :
Single equivalent discount of 10% and 10% $=10+10-\frac{10×10}{100}=19\%$
Hence, the correct answer is 19%.
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