\eqalign{ & {\text{The value of}} \cr & \left( {1 - \frac{1}{{{3^2}}}} \right)\left( {1 - \frac{1}{{{4^2}}}} \right)\left( {1 - \frac{1}{{{5^2}}}} \right)....\left( {1 - \frac{1}{{{{11}^2}}}} \right)\left( {1 - \frac{1}{{{{12}^2}}}} \right) = ? \cr} $$

• A. 11/20
• B. 13/15
• C. 13/18
• D. 15/16
• E. None of these