Question

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

$923\_\_\_93$

Answer 1

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

Sum of digits in given number is

$9+2+3+9+3=26$

To make it divisible by $9$, we need to add $1$which is the smallest possible number here.

and the number so formed is $923193$

Hence the smallest number that to be added is $1$