[" At an annual function of a school,each student gives gift to every other student.If the "],[" number of gifts is "1980" ,find the number of students."]

In a group of children each child gives a gift to every other child. If the number of gifts is 132, find the number of children.

In a group of children ,each child gives a gift to every other child ,If the number of gifts is 132 ,then the number of children are

Gifted students

Gifted students

In a company, each employee gives a gift to every other employee. If the number of gifts is 56, then the number of employees in the company is :

In a class there are certain number of students and each student plays a chess game with each other student. If the total number of games played by them is 190. Find the number of students