Question

$1/(2 \times 3) + 1/(3 \times 4) + ... + 1/(49 \times 50) = ?$

• A. 12/25
• B. 8/25
• C. 29/50
• D. 47/50

Hint:

In a series of $\frac{1}{n(n+1)}$, the result is $\frac{1}{\text{first}} - \frac{1}{\text{last}}$.

Answer 1

The Correct Option is A