Correct Answer - Option 1 : 2

**Given :**

1234A6 is divisible by 18

**Concept used :**

If a number is divisible by 18 it must be divisible by 9 and 2

For a number to be divisible by 9 the sum of digits of the number must also be divisible by 9

**Calculations :**

1234A6 is an even number so divisible by 2

Now it must be divisible by 9

The Sum of digits in 1234A6 must be divisible by 9

Out of all option, only option 1 is satisfying the condition as the sum is coming 18 which is divisible by 9

**∴ Option 1 will be the correct choice.**