Question 496406: I Am A Four Digit Whole Number My Digits Decrease By Two From Thousands To Ones Each Of My Digits Is An Even Number What Number Am I? Answer by richard1234(7193) (Show Source):
If the four-digit number decreases by 2 for each pair of consecutive digits, and all of the digits are even, then the number must be either 8642 or 6420. Which one is it?