7. A general wishing to draw up his 9821 men in the form of a solid square found that he had 20 men over. Find the
number of men in front row.
8. In a school function, 968 students were made to sit in a hall such that the number of rows is equal to the number
of students in each row. Find the number of rows, if 7 students were left out after the arrangement.
9. A man distributed 236 toffees to children such that each child gets as many toffees as there were children. Find
the number of children, if 11 toffees were left out after the distribution.
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Answer:
7. 9821-20 = 9801
✓9801 = 99
Therefore the number of men in the front row is 99
8. 968-7 = 961
✓961 = 31
Therefore the number of rows is 31
9. 236-11 = 225
✓225 = 15
Therefore the number of children is 15
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