Check the number even or odd without using division or modules

Question

tell someone plz

Answer 1

% is a division operation. a & 1 == 0 in case if a is odd.

Answer 2

(n>>1)<<1==n is true if n is even

Answer 3

n % 2 == 0

returns true if n is even

Answer 4

Check if last digit is in [0, 2, 4, 6, 8] or in [1, 3, 5, 7, 9]