$7 \log \frac{16}{15} + 5 \log \frac{25}{24} + 3 \log \frac{81}{80} =$

  • A
    $\log 2$
  • B
    $\log 3$
  • C
    $\log 5$
  • D
    इनमें से कोई नहीं

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