https://prepswift.gregmat.com/quizzes/quiz/prepswift-adding-numbers-to-multiples (Question 1)
How to solve this question?
https://prepswift.gregmat.com/quizzes/quiz/prepswift-adding-numbers-to-multiples (Question 1)
How to solve this question?
a = b + 5
When b = 1 = odd, a = 6.
When b = 0 = even, a = 5.
When one is even, the other is odd and vice versa