A general arranges his students to form a perfect square. He finds that in doing so 60 soldiers were left out if total number of soldiers be 8160 find the number of soldiers in each row

90

Step-by-step explanation:

Given that :

Number of soldiers = 8160

Number left out = 60

Result of arrangement gives a perfect square ;

Hence, the number of soldiers which makes up the arrangement will be ;

Total number of soldiers - number left out

8160 - 60 = 8100

Hence 8100 soldiers were used to form a perfect square ;

Number of soldiers in a row :

√8100 = 90

Hence, we have 90 soldiers in a row

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take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

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