If $$\left( X \right) = \frac{1}{x} - \frac{1}{{x + 1}},$$ then what is the value of f(1) + f(2) + f(3) + . . . . . + f(10)?
A. $$\frac{9}{{10}}$$
B. $$\frac{{10}}{{11}}$$
C. $$\frac{{11}}{{12}}$$
D. $$\frac{{12}}{{13}}$$
Answer: Option B
This Question Belongs to Arithmetic Ability >> Surds And Indices
Related Questions on Surds and Indices
A. $$\frac{1}{2}$$
B. 1
C. 2
D. $$\frac{7}{2}$$
Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:
A. 1.45
B. 1.88
C. 2.9
D. 3.7
Join The Discussion