Using divisibility tests, write yes or no :
Number $189144$ is divisible by $3 .$

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Solution

Since as we know that if sum of all digits of number is divisible by $3$ , then number is also divisible by $3$ .
In $189144$ , the sum of all digits of $189144$ is $1 + 8 + 9 + 1 + 4 + 4 = 27$ which is divisible by $3 .$
Hence, we can say that number $189144$ is divisible by $3 .$

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Using divisibility tests, write yes or no :Number 189144 is divisible by 3.

Since as we know that if sum of all digits of number is divisible by 3 , then number is also divisible by 3. In 189144 , the sum of all digits of 189144 is 1+8+9+1+4+4=27 which is divisible by 3.Hence, we can say that number 189144 is divisible by 3.

Using divisibility tests, write yes or no :
Number $189144$ is divisible by $3 .$

Since as we know that if sum of all digits of number is divisible by $3$ , then number is also divisible by $3$ .
In $189144$ , the sum of all digits of $189144$ is $1 + 8 + 9 + 1 + 4 + 4 = 27$ which is divisible by $3 .$
Hence, we can say that number $189144$ is divisible by $3 .$