Question

If 420x is divisible by 3 where x is a digit what are the possible values of x ​

Answer 1

Answer:

x can be 3, 6 and 9

Answer 2

Answer:

Here Given:420x is divisible by 3

Asked for : value of 'x'

Our solution:

after dividing 420/3 we get 140

from here we can concluded that 420 is already totally divisible by 3 .

So our answer cand be any one digit number that is divisible by 3, that are ;3,6,9

Hope you are satisfied.