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Study the following table carefully and answer the questions.
Question 79
What is the average number of students learning dance forms (other than freestyle) in schools B, C and D ?
Solution
Number of students learning free style in school B = 28 % of 400 = 112
Number of students learning free style in school C = 30 % of 150 = 45
Number of students learning free style in school D = 24 % of 300 = 72
Total number of students in schools B,C and D = 400+150+300 = 850.
Number of students learning dance forma other than free style in schools B , C and D = 850 - 112-45-72 =207
Option B is the correct answer.
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