Question

Find the least number that must be added to 6412 so as to get a perfect square.

Answer 1

Answer

149

Explanation

6412 is not a perfect square as given in question. If we do long division method we will get 80 as answer with reminder.

${80}^{2}$

is less than 6412.

${81}^{2}$

is greater than 6412.

${81}^{2}$

= 6561.

Therefore,6561-6412=149.

Answer is 149.

149 should be added to 6412 to get 6561.