Find perfect square numbers between 140 & 150.
Only 144 is a perfect square number between 140 & 150.
112=121 comes before 140
122=144 lies between 140 & 150
132=169 lies after 150
Only144 lies between 140 & 150.
How to find a perfect square between two numbers ?
Give reason to show that none of the numbers 640, 81000 and 3600000 is a perfect square.