12.There are 1989 students in a school . For a P.T. drill , they have to stand in such a manner that the number of rows is equal to number of columns. How many students would be left out in this arrangement ?
(3 Points)
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28
Answer:
1989/2 students will be left out in this arrangement.
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0
Answer:
Step-by-step explanation:
1989/2 will be left out of the column
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