From the given table, what is the percentage of students scoring 40 or more. but less than 70.  Scores  less than 20  less than 30  less than 40  less than 50  less than 60  less than 70  less than 80  No. of students  12 19 22 31 38 46 50

48% 54.75% 44.75% 56%

48%

Total number of students = 50 Number of students scoring 40 or more. but less than 70 = 46 - 22 = 24 Required percentage = \(\frac{24}{50}\) × 100 = 48%