If 7 groups are formed within 24 students, how many students will remain alone?
How many students are there in the class?
I. There are more than 20 but less than 27 students in the class.
II. There are more than 24 but less than 31 students in the class. The number of students in the class can be divided into groups such that each group contains 5 students.
A group of 36 students went for picnic. If 6 students can play with 3 balls, then how many balls are required for the group of 36 students?