Question

7. If 31P5 is a multiple of 3, where Pis a digit,
what should be the value of​

Answer 1

Answer:

3, 6 or 9.

Step-by-step explanation:

Check for divisibility of 3: The sum of digits should be a multiple of 3

3 + 1 + 5 + P is divisible by 3

9 + P is divisible by 3

Therefore,

P is divisible by 3

P => 3, 6 or 9.