Which of the following statement is true? I. $\frac{1}{2} +\frac{1}{6}+\frac{1}{12} +..........\frac{1}{100} < \frac{5}{6}$ II. $\frac{1}{3}+\frac{1}{15}+\frac{1}{35}+..........\frac{1}{143} ? \frac{7}{13}$

Only I Both I and II Only II Neither I nor II

Neither I nor II