Question

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.


[Hint: Any positive integer can be written in the form 5q, 5q+1, 5q+2, 5q+3, 5q+4].​

Answer 1

Step-by-step explanation:

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