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प्रश्न
The following number are obviously not perfect square. Give reason.
222000
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उत्तर
- The square of any number must end with the digits 0, 1, 5, 6 and 9. Only then is the square of a number a perfect square.
- The number 222000 has 3 zeros at the end, which is odd. It is not a perfect square.
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संबंधित प्रश्न
What will be the unit digit of the square of the following number?
26387
The following number are obviously not perfect square. Give reason.
64000
The square of which of the following number would be an odd number?
731
The square of which of the following number would be an odd number?
42008
Find the least number which must be added to the following numbers to make them a perfect square:
4931
Find the greatest number of 5 digits which is a perfect square.
Find the least number of six digits which is a perfect square.
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 perfect square can have 8 as its units digit.
