Question

Fill in the blanks with the smallest digit to make the number divisible by $9$:

$6834\_\_\_5$

Answer 1

If the sum of given digits is divisble by $9$ then the given number itself is divisible by $9$.

So According to divisibility rule of $9$

$6+8+3+4+5=26$

To make it divisible by $9$, we need to add $1$

Hence, the number so formed is $683415$