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A class has three sections A, B and C and the combined number of students in all three sections of the class is 200. In a test, the average marks of all the students in the class is 95. The average marks of all the students of sections A and B is 80 and the average marks of all the students of section C is 104. What is the number of students in Section C?
  • a)
    124
  • b)
    120
  • c)
    132
  • d)
    125
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A class has three sections A, B and C and the combined number of stude...
Let the number of students in Section C = X
The combined number of students in sections A and B = 200 – X
X × 104 + (200 – X) × 80 = 200 × 95
104X + 16000 – 80X = 19000
3000 = 24X
125 = X
Hence, Option D is correct.
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Most Upvoted Answer
A class has three sections A, B and C and the combined number of stude...

Solution:

Given:
- Number of students in all three sections: A + B + C = 200
- Average marks of all students in the class: 95
- Average marks of students in sections A and B: 80
- Average marks of students in section C: 104

Calculating the total marks of all students:
Total marks = Average marks * Total number of students
Total marks = 95 * 200
Total marks = 19000

Calculating the total marks of students in sections A and B:
Total marks of A and B = Average marks of A and B * Total number of students in A and B
Total marks of A and B = 80 * (Number of students in A + Number of students in B)

Calculating the total marks of students in section C:
Total marks of C = Average marks of C * Number of students in C

Using the given information:
19000 = 80 * (Number of students in A + Number of students in B) + 104 * Number of students in C
19000 = 80 * (200 - Number of students in C) + 104 * Number of students in C
19000 = 16000 - 80 * Number of students in C + 104 * Number of students in C
3000 = 24 * Number of students in C
Number of students in C = 3000 / 24
Number of students in C = 125

Therefore, the number of students in section C is 125. Option D is correct.
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A class has three sections A, B and C and the combined number of students in all three sections of the class is 200. In a test, the average marks of all the students in the class is 95. The average marks of all the students of sections A and B is 80 and the average marks of all the students of section C is 104. What is the number of students in Section C?a)124b)120c)132d)125Correct answer is option 'D'. Can you explain this answer?
Question Description
A class has three sections A, B and C and the combined number of students in all three sections of the class is 200. In a test, the average marks of all the students in the class is 95. The average marks of all the students of sections A and B is 80 and the average marks of all the students of section C is 104. What is the number of students in Section C?a)124b)120c)132d)125Correct answer is option 'D'. Can you explain this answer? for SSC CHSL 2025 is part of SSC CHSL preparation. The Question and answers have been prepared according to the SSC CHSL exam syllabus. Information about A class has three sections A, B and C and the combined number of students in all three sections of the class is 200. In a test, the average marks of all the students in the class is 95. The average marks of all the students of sections A and B is 80 and the average marks of all the students of section C is 104. What is the number of students in Section C?a)124b)120c)132d)125Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CHSL 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A class has three sections A, B and C and the combined number of students in all three sections of the class is 200. In a test, the average marks of all the students in the class is 95. The average marks of all the students of sections A and B is 80 and the average marks of all the students of section C is 104. What is the number of students in Section C?a)124b)120c)132d)125Correct answer is option 'D'. Can you explain this answer?.
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