If a and b are positive integers, what is the remainder when ab is divided by 40?
(1) b is 60% greater than a.
(2) Each of a^2 *b and a*b^2 is divisible by 40.
Can post OE if needed.
(1) b is 60% greater than a.
(2) Each of a^2 *b and a*b^2 is divisible by 40.
Can post OE if needed.