If n is a positive integer, what is the units digit of n?
(1) the units digit of (n+4)^2 is 4
(2) the units digit of (n+3)^2 is 1
![]()
(1) the units digit of (n+4)^2 is 4
(2) the units digit of (n+3)^2 is 1
[Reveal] Spoiler:
Any other alternative solution