Find x, if 30% of 400 + x% of 70 = 25% o

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Percentages

Question:

Find x, if 30% of 400 + x% of 70 = 25% of 536.

Options:

Correct Answer:

Explanation:

30% of 400 + x% of 70 = 25% of 536

\(\frac{3}{10}\) × 400 + \(\frac{x}{100}\) × 70 = \(\frac{1}{4}\) × 536

120 + \(\frac{7x}{10}\) = 134

7x = 140

x = 20