Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Percentages

Question:

If sides of a square is increased by 23%, then find the percentage change in its area.

Options:

51.29%

34.25%

44.25%

64.25%

Correct Answer:

51.29%

Explanation:

Total increased % in area = r% + r% + \(\frac{r × r}{100}\) %

                                     = 23% + 23% + \(\frac{23 × 23}{100}\)%

                                     =46% + 5.29% ⇒ 51.29%