Yes, we can definitely say this. No square number ends in 2, 3, 7 or 8. So, if a number ends with any of these digits, it cannot be a perfect square. This rule helps quickly eliminate such numbers.
Class 8 Mathematics Chapter 1 A Square and A Cube question answer
Class 8 NCERT Ganita Prakash Chapter 1 A Square and A Cube solutions
A useful property of square numbers is that they never end with the digits 2, 3, 7 or 8. So, if a number ends with one of these digits, it is certainly not a perfect square. This rule provides a quick check for eliminating non-squares. For example, numbers like 43, 57 and 68 cannot be squares because their units digits violate this rule, even without checking further.
For more NCERT Solutions for Class 8 Mathematics Ganita Prakash Chapter 1 A Square and A Cube Extra Questions & Answer:
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