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Percentage

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Aptitude miscellaneous
  1. Two successive price increases of 10% and 10% of an article are equivalent to a single price increase of
    1. 19%
    2. 20%
    3. 21%
    4. 22%
Correct Option: C

Using Rule 7,
Tricky approach
Single equivalent percentage increase in price

=10 + 10 +
10 × 10
% = 21 %
100


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