Question

The least number which should be added to 401 to make it a perfect square

Answer 1

Answer:

39 should be added to make perfect square

Step-by-step explanation:

The nearest perfect square is 440. Hence the least number that should be added to 401 = 440 - 401 = 39.

Answer 2

Answer:

40

Step-by-step explanation:

20^2=400

21^2=441

therefore if we add 40 to 401 then it will became 401+40=441

441 is a perfect square