Question

an army officer arrange 6900 soldiers in a square array and found soilders where left find the number of soldier in each row​

Answer 1

Answer:

Total number of soldiers=6455

Number of soldiers left out =55

Let the number of rows =x

Let the number of columns =x

Number of soldiers remained=6455−55

=6400

Now,

x2

=6400

=>x=6400

=>x=80

Number of columns and number of rows =80

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Answer 2

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