#1
56
#7
4,8,12,16,20,24,28,32,36,40
#17
24
#2
54
#11
24,30,60,36,18,54,48,12
#19
4
#5
72
#9
49,56,28,7,35,14,63,21
#25
3
#3 & #4
48
#8
8,16,24,32,40,48,56,64,72,80
#28
24 students
#6
#10
27,99,81,18,36,0,45,90
#29
3 rows