Question
If 45% of students who apply for Graduation in 2015 are
girls and ratio of girls who applied for Graduation in 2015 to the girls who applied for post Graduation in 2017 is 4:5 then find the number of boys who applied for Post Graduation in 2017. The line graph shows the number of students (in Lakh) who applied for Graduation and Post Graduation over different years.Solution
Girls who applied for Graduation in 2015 = (45/100) × 20 = 9 Lakh Girls who applied for post Graduation in 2017 = (9/4) × 5 = 45/4 = 11.25 Lakh Boys who applied for Post Graduation in 2017 = 15 − 11.25 L = 3.75 Lakh
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