Question

A 4-digit Number 35y6 is divisible by 3. What are the possible values of y?​

Answer 1

Answer:

the sum of all the face values of a number if divisible by three are factors of 3

hence: sum of 3,5,6=14

1= 14+1=15 possible

2=not possible

3=not possible

4=possible

5=not possible

6=not possible

7=possible

8=not possible

9=not possible

hence: the possible numbers are: 1, 4, 7