1. In a class of 72 children, children are seated in rows and columns in such a way that the number of children in each row is 12.5% more than the number of children in each column. How many children are there in each row ?
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By: anil on 05 May 2019 02.44 am
let the number of children in each column be x.Thus, the number of children in each row is 1.125 given, total number of children=72=x(1.125x) ∴x=8. thus, number of children in a row=1.125x=9
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