Question

31k2 is divisible by 9 find k

Answer 1

Answer:

k = 3

Step-by-step explanation:

To be divisible by 9

→ The sum of all numbers should be a multiple of 9

So

3 + 1 + k + 2 should be divisible by 9

→ k + 6 should be divisible by 9

→ k = 3

Or number = 3132