Question

{x : x = 5n, n ∈ N and n < 6}

Answer 1

Integers lie between −2 and 3 are −2,−1,0,1,2,3.

Given x=5n, putting n=−2,−1,0,1,2,3, we get

x=5×−2,5×−1,5×0,5×−1,5×2,5×3,

=−10,−5,0,5,10,15

Set = {−10,−5,0,5,10,15}