Gujarat BoardEnglish MediumSTD 8MATHSSquares and Square Roots1 Mark
Question
Without doing any calculation, find the number which are surely not perfect squares. 153
✓
Answer
We know that the numbers end with $2,3,7$ or 8 , can never be a perfect square. In a number 153, end digit is 3 , which is one of 2, 3, 7 or 8 . So, it never be a perfect square.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.