Question

at an annual function of a school each student give gifts to every other student if the number of gifts is1980.find the number of students​

Answer 1

Answer:

45 students

Step-by-step explanation:

if there are 45 students they will give 44 gifts

45×44=1980

hope it will help

Answer 2

Answer:

Hi mate

Step-by-step explanation:

Let, the number of students be x

and no. of gifts per student be x-1

So,

x*x-1=1980

$x^{2}$=1980+1

$x^{2}$=1981

x=$\sqrt{1981}$

x=44.508

x=45(Rounded Off)

Hence, the Number of students is 45

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