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What is the average number of girls in school A in all the years taken together ?
Answer & Solution
Correct Answer:
Option
C
Average number of girls in School A over the years
$$\eqalign{ & = \frac{\left(3.6+4.2+6.9+9.6+12.9+14.4\right)\times100}{6} \cr & = \frac{51.6\times100}{6} \cr & = \frac{5160}{6} \cr & = 860 \cr} $$
$$\eqalign{ & = \frac{\left(3.6+4.2+6.9+9.6+12.9+14.4\right)\times100}{6} \cr & = \frac{51.6\times100}{6} \cr & = \frac{5160}{6} \cr & = 860 \cr} $$
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