Question : The least number that should be subtracted from the number 32146 to make it a perfect square is:
Option 1: 305
Option 2: 105
Option 3: 205
Option 4: 405
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Answer (1)
25th Jan, 2024
Correct Answer: 105
Solution :
Since, 179 × 179 = 32041
So, $\sqrt{32146}$ > 179.
The number that must be subtracted to make it a perfect square is (32146 – 32041) = 105
Hence, the correct answer is 105.
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