Subjective Type

Test the divisibility of the following number by $$3$$: $$378$$

Solution

we know that if the sum of digit of the number is divisible by $$3$$ then the number is divisible by $$3$$.
Sum of the digit of $$378$$ is $$18$$, which is divisible by $$3$$
$$\therefore$$ the given number $$378$$ is divisible by $$3$$.


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