Problem 5
Easy as ABCD (that is really bad)
If you multiply a 4 digit number WXYZ by 4, the digits will get reversed. That is WXYZ * 4 = ZYXW.
TIP: W, X, Y and Z are all different digits
So: Find WXYZ
Last updated
Easy as ABCD (that is really bad)
If you multiply a 4 digit number WXYZ by 4, the digits will get reversed. That is WXYZ * 4 = ZYXW.
TIP: W, X, Y and Z are all different digits
So: Find WXYZ
Last updated
