$\frac{1}{3 \cdot 5}+\frac{1}{5 \cdot 7}+\frac{1}{7 \cdot 9}+\ldots$ to 24 terms $=$

• A

  $\frac{23}{147}$
• B

  $\frac{6}{35}$
• C

  $\frac{6}{37}$
• Correct answer
  D

  $\frac{8}{51}$

Hence, the correct answer is option: 'D'.