In a class-room there are `2x` rows of benches. If each row has `3x y` beneches and each bench can accommodate `x` students, determine the number of students in the room if it is full up to its capacity.

In a large hall there are 4x^(2) rows of benches. If each row has 5x^(2)y^(3) benches and each bench can accommodate xy^(2) person,determine the total number of persons if its is full up to its capacity.

If there are x rows of chairs and each row contains x^(2) chairs.Determine the total number of chairs.

In a class there are x seats,If each student occupies one seat,7 students remain standing and if two students occupy one seat,7 seats are left empty then number of seats in the class.

In a school, all the students can stand in a row, so that each row has 5, 9 or 10 students. Find the least number of students in the school.

There are benches in a classroom.If 4 students sit on each bench,then three benches are left vacant and if 3 students sit on each bench,then 3 students are left standing. The total number of students in the class is (a) 36quad (b) 42 (c) 48 (d) 54

For the parade there are y students in each row and x such rows are formed . Then how many students are there for the parade in all ?

In an examination hall there are four rows of chairs. Each row has 8 chairs one behind the other. There are two classes sitting for the examination with 16 students in each class. It is desired that i each row, all students belong to the same class and that no two adjacent row are allotted to the same class. In how many ways can these 32 students be seated?