in Quantitative Aptitude edited ago by
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CAT2020-3-51

 

If $\log_{a} 30 = A, \log_{a} (5/3) = – B $ and $\log_{2} a = 1/3,$ then $\log_{3}a $ equals

  1. $ \frac{2}{A + B} – 3 $
  2. $ \frac{A + B - 3}{2} $
  3. $ \frac{2}{A + B – 3} $
  4. $ \frac{A + B}{2} – 3 $
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