If $\sqrt{0.04 \times 0.4 \times a} = 0.4 \times 0.04 \times \sqrt{b},$ then the value of $\frac{a}{b}$ is

  • A
    $0.016$
  • B
    $1.60$
  • C
    $0.16$
  • D
    None of these

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