Level:
Project ID:
1003034504
Accepted:
1
Clonable:
0
Easy:
0
A double-digit number equals to the four multiple of its digit sum. Determine the digit in the unit position if you know that the digit of tens is by \( 4 \) lower than the digit of units.
\( 8 \)
\( 4 \)
\( 6 \)
\( 0 \)