Question

solve the question of 16

Answer 1

Let the number of students be x.

Contribution of 1 student = x
Contribution of x student = x^2

x^2 = 1156
=> x = 34

Thus number of students is 34

^ this symbol represents power x^2 is x squared.

Answer 2

let the number of students be x 
total contribution = number of students * money each student gave
1156 = x* x
1156 = x²
x = √1156
x = 34
the strength of the class is 34

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