n + 4
Show that one and only one out of n, n + 4, n + 8, n + 12 and n + 16 is divisible by 5, where n is any positive integer.
22
Nov
Show that one and only one out of n, n + 4, n + 8, n + 12 and n + 16 is divisible by 5, where n is any positive integer. n + 12 and n + 16 is divisible by 5 n + 4 n = 8 Show that one and only one [...]