Question

Find the least no. Which must be added to 140 to make it perfect square ?

Answer 1

Step-by-step explanation:

4 is added to make it square of 12

12×12=144

Answer 2

Answer:

nearest square number of 140 which is bigger than it = 144 .

144 - 140 = 4

therefore 4 should be added to 140 to make it a perfect square .