Respuesta :
Option D.) 1/5 + 1/20 + 1/80 + 1/320 is correct
What is geometric progression?
Geometric progression is kind of progression that the ratio to the adjacent values always same.
ratio in every option is not same except option D. 1/5 + 1/20 + 1/80 + 1/320
i.e. (1/5)/(1/20) = (1/80)/(1/20)
Thus the Option D.) 1/5 + 1/20 + 1/80 + 1/320 is correct
Learn more about geometric progression here:
https://brainly.com/question/4853032
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