If 3×12 is a multiple of 3 and x is digit, then find the value of x ​

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If 3×12 is a multiple of 3 and x is digit, then find the value of x

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Kinsley 4 days 2021-11-25T07:08:31+00:00 2 Answers 0 views 0

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    2021-11-25T07:10:10+00:00

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  2. Ava
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    2021-11-25T07:10:22+00:00

    3+3+1+2=9

    3×3=9

    3+6+1+2=12

    3×4=12

    3+9+1+2=15

    3×5=15

    Divisibility rule of 3 is:

    Add up all the digits of the given number,

    It should be a multiple of 3,

    If the sum of all the digits is a multiple of 3 then the number itself is a multiple of 3 or is divisible by 3.

    so X can either be 3 or 6 or 9.

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14:4+1-6*5-7*14:3+5 = ? ( )