The students of a class are made to stand in rows. If 3 students are extra in a row, there would be 1 row less. If 3 students are less in a row, there would be 2 rows more. Find the number of students in the class.

There are 20 girls and 15 boys in a class. (b) What is the ratio of number of girls to the total number of students in the class ?

A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.

The students of Class VIII of a school donated '2401 in all,for Prime Minister's National Relief Fund.Each student donated as many rupees as the number of students in the class.Find the number of students in the class.

300 apples are distributed equally among a certain number of students. Had there been 10 more students, each would have received one apple less. Find the number of students.

In a class of 40 students 30 play cricket and 18 play hockey. If the students plays either circket or hockey find the number of students who paly Hockey only.

In a class of 60 students, 25 students play cricket and 20 students play tennis and 10 students play both the games, then the number of students who play neither is

In a class of 60 students, 25 students play cricket, 20 students play tennis, and 10 students play both the games, then the number of students who play neither is

2025 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows.Find the number of rows and the number of plants in each row.

The distribution below gives the weights of 30 students of a class. Find the median weight of the students .