Question

Find the least number which must be added to 8902 so that the sum becomes a perfect square

Answer 1

√8902 = 94 as quotient

            9  4  

94  ∫ 8 9 0 2

184    8  1      

            8 0 2

            7  3 6

                 6 6

So 95 x 95 = 9025

9025 - 8902 = 123

123 should be added