If $\frac{1}{2.7}+\frac{1}{7.12}+\frac{1}{12.17}+\frac{1}{17.22}+\ldots$ to 10 terms $=\mathrm{k}$, then $\mathrm{k}=$

• A

  $\frac{2}{51}$
• B

  $\frac{5}{51}$
• Correct answer
  C

  $\frac{5}{52}$
• D

  $\frac{1}{26}$

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