Correct Answer - Option 2 : 6
Given:
Number = 18345 mn
Concept used:
For a number to be divisible by 9 the sum of digits must be divisible by 9
Calculation:
Sum of digits = 1 + 8 + 3 + 4 + 5 + m + n
⇒ Sum of digits = 21 + m + n
For min value of m + n
21 + m + n = 27
∴ m + n = 6