Find the smallest digit that should be replaced at $$ place in the number $87 21$ so that the number is divisible by $3$ .

Open in App

Solution

As we known Divisibility of 3 is sum of digits should be divisible by 3.
so, $8 + 7 + * + 2 + 1 = 18 + $
Hence, We can use $0, 3, 6, 9 . . . . . .$ on place of $$ but $0$ is the smallest digit.

Suggest Corrections

Similar questions

Replace * by the smallest digit so that the number 56 * 891 is divisible by 3

*

5095 * 6

4

Replace * by the smallest number, so that the number 1*1 is divisible by 3.

In the following replace * by the smallest number so that the given number is divisible by the number mentioned:
$84 * 3$ by $3$ .

Join BYJU'S Learning Program