The adjoining pie chart shows the number of students enrolled from class 6 to class 10 of a school. If 1440 students are enrolled from 6 to 10, then answer the following questions:
(i) How many students are enrolled in class 8?
(ii) How many students are more in class 9 than in class 10?
(iii) What is the sum of students enrolled in 7 and 8?
(iv) Find the ratio of students enrolled in 6 to students enrolled in 10.
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Answer:
1) STUDENTS ENROLLED IN CLASS 8 = 85 / 360 * 1440 = 340 Students
2) DIFFERENCE = 75 - 50 = 25
= 25/360 * 1440 = 100 students
3) SUM OF STUDENTS = 70 + 85 = 155
= 155 / 360 * 1440 = 620 students
4) RATIO = 80 : 50 = 8 : 5
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