$$\left(1 - \frac{1}{7}\right)\left(1 - \frac{1}{8}\right)\left(1 - \frac{1}{9}\right)\left(1 - \frac{1}{10}\right) .................. \left(1 - \frac{1}{51}\right) =$$

A

$$\frac{50}{51}$$

B

$$\frac{7}{51}$$

C

$$\frac{2}{17}$$

D

$$\frac{6}{53}$$