Instructions

Study the table and graph answer the given questions:

Distribution (degree wise) of students in five schools A, B, C, D and E

Total number of students (boys and girls) in 5 schools = 5400

Question 78

The average number of girls in schools D and E is approximately what per cent less than the number of students in school C?

Name: The average number of girls in schools D and E is approximately what per cent less than the number of students in school C?
Uploaded: 2026-04-09T09:13:38.858344+05:30
Duration: 5 min 42 s
Description: The average number of girls in schools D and E is approximately what per cent less than the number of students in school C?

Solution

Total number of students in D and E = $$\frac{105\ +\ 54}{360}\times\ 5400\ =\ 2385$$.
Total number of girls in D and E = 2385 - (450+1017) = 918.
The average number of girls in schools D and E = 918/2 = 459.
Number of students in C = $$\frac{64}{360}\times\ 5400\ =\ 960$$.
The required percentage = $$\frac{960-459}{960}\times\ 100\ \approx\ 52.2\%$$.

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