[21%] Two successive price increases of 10% and 10% of an article are equivalent to a single price increas

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Aptitude

TNPSC G4

10th CBSE Maths

Two successive price increases of 10% and 10% of an article are equivalent to a single price increase of

19%

20%

21%

22%

Explanation:

here , x=10 and y=10
Successive Percentage Change = (x + y + $\dfrac{xy}{100}) %$
Successive Percentage Change = (10 + 10 + $\dfrac{10 \times 10}{100}) %$
= 21%

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