Question

if 42x9 is a multiple of 3 , where x is a digit , what is the value of x​

Answer 1

Answer:

4209, x=0

Step-by-step explanation:

Divisibility rule of 3-

add the digits and check whether the sum obtained is divible by 3. if it is divisible then the the number is also divisible by 3

Thus,

4209

4+2+0+9= 15

15 is divisible by 3

Thus, 4209 is divisible by 3

Therefore, x=0

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