Question

There are some students in a class. Each student contribute money equal to the numbe
students in the class. If total money collected is 6400. Find the number of students
class.
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Answer 1

Answer:

Let the number of students in the class be x

Therefore, contribution by each student is Rsx

According to question, x×x=1156

x

2

=1156

⇒x=

1156

⇒x=

34

2

⇒x=34

The strength of class is 34 students.

Answer 2

Answer:

let the number of students in the class be=X

And it is given that,

money contributed by each student=number of students in the class

therefore,

x×x=6400

X*2=6400

X=+-✓6400

X=80

no.of students can't be negative

so,

no.of students in the class=80