1.

If \(\frac{1}{{1 \times 2}} + \frac{1}{{2 \times 3}} + \frac{1}{{3 \times 4}} + \cdot \cdot \cdot + \frac{1}{{n(n + 1)}} = \frac{{99}}{{100}}\) then what is the value of n?

A. 98
B. 99
C. 100
D. 101
Answer» C. 100


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