Question
What is the difference between average of students who
apply for Graduation over all years and average of students who apply for Post Graduation over all years? (approximately) The line graph shows the number of students (in Lakh) who applied for Graduation and Post Graduation over different years.Solution
Required difference = (1/6) [(15 + 17.5 + 25 + 20 + 30 + 25) − (20 + 15 + 20 + 25 + 20 + 15)] => (1/6) [(132.5 − 115)] => 17.5/6L ≈ 3L
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