there are 1500 children in a school. the morning prayer they all to stand in such a way that the number of rows is equal to the number of columns
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Step-by-step explanation:
no. of students in a row = no. of colums = x
hence, x * x =1500
x^2=1500
x^2-1500=0
(x)^2-(√1500)^2=0
(x-√1500)(x+√1500)=0
x-√1500=0 or x+√1500=0
x=√1500or x=-√1500
no. of rows can't be negative.
hence, x=√1500
which is approximately 39 rows....
hope it helps you...
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