Advertisements
Advertisements
Question
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?
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Find the square root of the following number by division method.
5776
Find the square root of the following number by division method.
3136
Find the number of digits in the square root of the following numbers (without any calculation).
390625
Find the least number which must be subtracted from the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.
4000
Find the length of the side of a square whose area is 441 m2.
Find the square of the following number using the identity (a − b)2 = a2 − 2ab + b2:
495
Find the square of the following number by visual method:
95
Find the square root by long division method
418609
Find the least number that must be subtracted to 6666 so that it becomes a perfect square. Also, find the square root of the perfect square thus obtained
Find the greatest number of three digits that is a perfect square.
