The number of times $79$ must be subtracted from $50000$ so that the remainder is $43759$ is:

Find the units digit of $(128)^{182} ?$

The ten's digit of a two-digit number is greater than the unit's digit by $7$. If we subtract $63$ from the number,the new number obtained is formed by interchanging the digits. Find the number.

$73 \times 18 + 486 = ? + (13)^{2}$

Find the missing digit in the expression: $60 ? 6 \times 111 = 666666$.

The smallest number between $400$ and $500$ which is divisible by $9$ is