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Percentage

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  1. A number is first increased by 10% and then it is further increased by 20%. The original number is increased altogether by
    1. 30%
    2. 15%
    3. 32%
    4. 36%
Correct Option: C

Using Rule 7,
Required percentage increase

=10 + 20 +
10 × 20
% = 32%
100


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