In a collage art class, 76 students are painting a mural on one wall of the campus amphitheater. The wall has been divided into 23 sections, and each section will be painted by a group of either 2 or 4 students. How many more sections will be painted by a group of 4 students than by a group of 2 students?

In a school the number of students in Grades 4,5 and 6 were 215, 258 and 301 respectively. If every grade was divided in sections and every section had the same number of students, what was the minimum number of sections in all in these three classes?

A class of 50 students belonging to the Kindergraten is divided in two sections A and B , having students in the ratio 2:3 respectively. The average weight of the students of the entire calss is 40 Ibs. The average weight of the students of section A is 2 Ibs . less than that of the students B. What is the average weight of the students of section B ?

In a school, there are four sections of 40 students each in XI standard. In how many ways can a set of 4 student representatives be chosen, one from each section?

A class has 30 students, In how many ways can three prizes be awarded so that: no student gets more than one prize?

Each sections in first year of plus two course has exactly 30 students . If there are 3 sections. In how many ways can a set of 3 students representatives be selected from each sections?

The ratio of the number of students of three class is 2:3:4 If 12 students are increased in each class then the ratio of becomes 8:11:14 .find the total students of all the three sections before adding 12 students in each class .