Question
Find the greatest number of 5 digits , which is a perfect square ?
Hint:
apply the long division method and find the number needed to subtract to the greatest 5 digited number to be a perfect square ,so that we find the greatest 5 digit number which is a perfect square .
The correct answer is: 99 856
Explanation :- The greatest 5 digited number is 99,999
Applying long division method and find reminder
We need to subtract 143 from the number 99,999 to get the highest 5 digited perfect square.
99999 - 143 = 99 856 .
Therefore, 99 856 is the highest 5 digited number which is a perfect square.
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