Which of the following can be the value of ‘k’ so that the number 217924k is divisible by 6?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 2.
Divisibility of 6: A number is divisible by 6 if it is divisible by both 2 and 3.
Sum of digits of the given number = 2 + 1 + 7 + 9 + 2 + 4 + k = 25 + k
The next number that is divisible by 3 is 27.
So, 25 + k = 27
k = 2