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Read the data given in the table below and answer questions.
Question 60
The total number of students who failed in the examinations from the schools Q, R and S is
Solution
Number of students of Q failing the exam = 520/4 = 130
Number of students of R failing the exam = 540/9 = 60
Number of students of S failing the exam = (3/7)*420 = 180
Hence, total number = 370
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