Question 52
From the given table, what is the percentage of students scoring 40 or more. but less than 70.
Solution
Total number of students scoring 40 or more but less than 70 = 31 + 38 + 46 = 115
Total number of students = 12 + 19 + 22 + 31 + 38 + 46 + 50 = 218
Percentage of students scoring 40 or more but less than 70 = $$\frac{115}{218} \times 100 = 52.75
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