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प्रश्न
The following number are obviously not perfect square. Give reason
1057
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उत्तर
- The square of numbers may end with any one of the digits 0, 1, 5, 6, or 9. Also, a perfect square has even number of zeroes at the end of it.
- 1057 has its unit place digit as 7. Therefore, it cannot be a perfect square.
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संबंधित प्रश्न
Find the smallest number which must be added to 2300 so that it becomes a perfect square.
Find the value of:
`sqrt72 xx sqrt338`
Evaluate: 372 – 362
Evaluate: 1012 – 1002
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + ……………… + 39 + 41.
A number ending in 9 will have the units place of its square as ______.
Which of the following will have 4 at the units place?
Using distributive law, find the square of 72
A perfect square number has four digits, none of which is zero. The digits from left to right have values that are: even, even, odd, even. Find the number.
