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A. ∑Pn(Po + Pn)/∑Pn(Po + Pn)
B. ∑Pn(qo + qn)/∑Pn
C. ∑Pn(Po + Pn)/∑Pn(Po + Pn) x100
D. Non of these

Correct Answer: ∑Pn(Po + Pn)/∑Pn(Po + Pn)

Last Updated: October 05, 2021