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The table given below shows the number of students who were absent and percentage of students who were present in the given two examinations from five different schools. The table also shows the percentage of students who were present in the Biology and Physics examination respectively.
Question 60
What is the average of the number of the students who were present in Physics examination from school N, K and L?
Solution
Physics Students Present :
N=Â $$\frac{60830}{0.35}\times0.65\times0.58=65522\ .$$
K=Â $$\frac{83300}{0.35}\times0.65\times0.68=105196\ .$$
L=Â $$\frac{101520}{0.4}\times0.6\times0.71=108118\ .$$
So, total = 278836 .
E is correct choice.
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