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A number exceeds by 25 from its \(\dfrac{3}{8}\) part. Then the number is:

  • A.32
  • B.35
  • C.39
  • D.40

Answer: D

\[ x - \frac{3x}{8} = 25 \quad\Longrightarrow\quad \frac{5x}{8} = 25 \]

\[ x = 40 \]

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