Question

students of a class are made to stand in rows if 4 students are extra in a row there would be 2rows less if 4 students are less in a row the're would be 4 more rows find the no of students

Answer 1

Let no of rows = x and no of student in each row y
total no of student x*y
By given condition 
(x-2)(y+4)=xy (i)
(x+4)(y-4)=xy (ii)
Solve 
x=8, y=12
no of student = 12*8 = 96
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Answer 2

Step-by-step explanation:

Here is your solution mate,

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