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प्रश्न
These are 500 children 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 children would be left out in this arrangement?
उत्तर
Total number of children = 500
Since the number of rows is equal to the number of columns in which children have to stand.
| 22 | |
| 2 | `bar5 bar00` -4 |
| 42 | 100 -84 |
| 16 |
Clearly, 16 children would be left out in this arrangement.
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