Question

what should be added to the sum of 1,25,789 and 56,78,945 to get 56,78,90,789

Answer 1

125789 + 5678945 + X = 567890789

5804734 + X = 567890789

X = 567890789 - 5804734

X = 562086055.

Therefore, 562086055 should be added.