A class of 30 students appeared in a test. The average score of 12 students is 60, and that of the rest is 62. What is the average score of the class?
Given:
The total number of students in the class = 30.
The average score of 12 students = 60.
The average score of the remaining 18 students = 62.
Formula Used:
Average score of class =
Solution:
Total score of 12 students = 12 × 60 = 720
Total score of 18 students = 18 × 62 = 1116
Total score of class = 720 + 1116 = 1836
Average score of class =
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