Concept used:
Divisibility rule of 6 = If the number is divisible by 2 and 3 both then that number is also divisible by 6
Divisibility by 2 = If the unit digit of the number is 0, 2, 4, 6, and 8 then the number is divisible by 2
Divisibility by 3 = If the sum of the number is divisible by 3 then the number is also divisible by 3
Calculation:
Checking options one by one
All the given number is divisible by 2 so we will check the divisibility by 3 only. In this case if the number is divisible by 3 then the number is also divisible by 6
i) B = 6
548B = 5 + 4 + 8 + 6 = 23, it is not divisible by 3
Clearly, Option (1) is not satisfied.
- B = 2
548B = 5 + 4 + 8 + 2 = 17, it is not divisible by 3
Clearly, Option (2) is not satisfied.
- B = 4
548B = 5 + 4 + 8 + 4 = 21, it is divisible by 3
Clearly, Option (3) is satisfied.
- B = 0
548B = 5 + 4 + 8 + 0 = 17, it is not divisible by 3
Clearly, Option (4) is not satisfied.
∴ The correct answer is option 3.