A number is first increased by 25% and t

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Percentages

Question:

A number is first increased by 25% and then decreased by 10%. If the resulting number is 72, what is the original number?

Options:

Correct Answer:

Explanation:

25% = \(\frac{1}{4}\) & 90% = \(\frac{9}{10}\)

Let original number = 100x

ATQ,

100x × \(\frac{5}{4}\) × \(\frac{9}{10}\) = 72

X = 64

Hence , 64 is original number .