find the least number of four digits which is a perfect square
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find the least number of four digits which is a perfect square
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Answer: 1024
Step-by-step explanation:
31
2
=961
32
2
=1024
33
3
=1089
34
2
=1156
Least number of four digits = 1000.
(32)2 is more than 1000 by 24.
So, the least number to be added to 1000 is 24.
1000 + 24 = 1024
Therefore, the smallest four digit number which is a perfect square is 1024.
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Sol:
Smallest number of four digits = 1000.
(32)2 is more than 1000 by 24.
So, the least number to be added to 1000 is 24.
1000 + 24 = 1024
Therefore, the smallest four digit number which is a perfect square is 1024.
thus square root of 1024is →√1024 =32
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