Question
What is the least number to be added to 7038 to make the
resultant number a perfect square?Solution
The number 7038 lies between 83² and 84². So if we add 18 to the number 7038, we get a perfect square, i.e. we get a perfect square, i.e. 84² = 7056, i.e. 7038 + 18 = 7056 = 84².
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