25 of 120 + 40 of 380 = of 637

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25% of 120 + 40% of 380 = ? of 637

A. $$\frac{2}{7}$$

B. $$\frac{1}{7}$$

C. $$\frac{4}{7}$$

D. $$\frac{3}{7}$$

Answer: Option A

Solution(By Examveda Team)

120 × $$\frac{25}{100}$$ + 380 × $$\frac{40}{100}$$ = x × 637
⇒ 30 + 152 = x × 637
⇒ $$\frac{182}{637}$$ = x
⇒ x = $$\frac{2}{7}$$
⇒ Required answer = $$\frac{2}{7}$$

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