Directions (1 - 3): The proportion of male student and proportion of vegetarian in a school are given below. The school has a total of 800 students, 80% of whom are in the Secondary Section and rest equally divided between Class 11 and 12.
What is the percentage of vegetarian students in class 12?
A. 40
B. 45
C. 50
D. 55
Answer: Option A
Solution(By Examveda Team)
Total Students = 800 No. of students in secondary = 80% of 800 = 640 Rest Students = 800 - 640 = 160 Rest students are divided equally into class 12 and 11. So, No. of students in class 12 = $$\frac{160}{2}$$ = 80 Now, total vegetarian = 53% No. of Total vegetarian = 53% of 800 = 424 55% of secondary students are vegetarian. No. of vegetarian in secondary = 55% of 640 = 352 No. vegetarian in 11 = 50% of 80 = 40 Thus, no. of vegetarian in 12, = 424 - 352 - 40 = 32 Thus, In class 12 total vegetarian = 32. So, % of vegetarian = $$\frac{32}{80}$$ × 100 = 40%This Question Belongs to Data Interpretation >> Table Chart
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Hi, very helpful app
Total vegetarian = 53%
No. of Total vegetarian = 53% of 800 = 424.
55% of secondary students are vegetarian.
No. of vegetarian in secondary = 55% of 640 = 352.
No. vegetarian in 11 = 50% of 80 = 40
Thus, no. of vegetarian in 12,
= 424- 352 - 40 = 32.
Thus,
In class 12 total vegetarian = 32.
So, % of vegetarian = (32/80) * 100 = 40%.
how? please explain in detail solution