If $${\text{A}} = \frac{1}{{0.4}} + \frac{1}{{0.04}} + \frac{1}{{0.004}} + ....{\text{ upto 8 terms,}}$$ then what is the value of A?
A. 27272727.5
B. 25252525.5
C. 27777777.5
D. 25555555.5
Answer: Option C
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
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