Question

Which of the following numbers are divisible by $27$
$179832$

Answer 1

$179+832\_\_\_\_1011$ (sum of digits in block of $3$ from right to lets)

$1011$

$\to 10-8\times 11$ (Subtract last $2$ digits can be divisible from $8$ times the )

$\therefore 179832$ is not divisible