Question

if 31z5 is a multiple of 3,where z is a digit, What might be the value of z?​

Answer 1

Answer:

31z5= 3+1+z+5/3= 9+z/3= 9+3/3=12/3=4

Hence z=3 ans.

Answer 2

Answer:

0,3,6 and 9 are the possibilities.

Step-by-step explanation:

A number which is a multiple of 3 always has its digits when summed up divisible by 3.