Question
Download Solution PDFThe givengraph shows the higher secondary result of a particular school, from 2019 to 2021. Study the graph and answer the question that follows.
The ratio of the number of students who passed with first division in all the 3 years to the total number of students in 2020 is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFirst Division students:
2019: 20 students
2020: 70 students
2021: 85 students
Total number of students in 2020 (from the graph):
First Division: 70 students
Second Division: 80 students
Third Division: 95 students
Failed: 5 students
Total number of students in 2020 = 70 + 80 + 95 + 5 = 250 students
Total First Division students in 2019, 2020, and 2021 = 20 + 70 + 85 = 175 students
⇒ Ratio = 175 / 250
⇒ Ratio = 7/10
∴ The ratio of the number of students who passed with first division in all three years to the total number of students in 2020 is 7 : 10.
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