Correct option is B
Solution:
Total number of students;
School A:
34 + 21 + 12 + 9 + 98 = 174
School B:
67 + 40 + 22 + 13 + 121 = 263
School C:
23 + 26 + 19 + 7 + 78 = 153
School D:
78 + 32 + 16 + 12 + 84 = 222
School E:
56 + 29 + 21 + 6 + 67 = 179
Maximum Participation: School B with 263 students.
Minimum Participation: School C with 153 students.
Thus, option(B) is right




