What is the value of $$\frac{1}{{0.2}} + \frac{1}{{0.02}} + \frac{1}{{0.002}} + \,.....$$ upto 9 terms?
A. 222222222
B. 111111111
C. 555555555
D. 525252525
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & \frac{1}{{0.2}} + \frac{1}{{0.02}} + \frac{1}{{0.002}} + \,.....\,{9^{{\text{th}}}}{\text{ term}} \cr & {\text{ = }}\frac{1}{2}\left[ {10 + 100 + 1000 + \,.....\,{9^{{\text{th}}}}{\text{ term}}} \right] \cr & = \frac{1}{2}\left[ {1111111110} \right] \cr & = 555555555 \cr} $$This Question Belongs to Arithmetic Ability >> Surds And Indices
Related Questions on Surds and Indices
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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
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C. 2.9
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