Find the sum of all the possible values of k in the number 341k145k so that the number is divisible by 3.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 18.
Divisibility rule of 3: the sum of the digits must be divisible by 3
Sum of digits; 3 + 4 + 1 + k + 1 + 4 + 5 + k = 26 + k
Possible value of k: 0, 3, 6, 9
Sum = 0 + 3 + 6 + 9 = 18