Question

106 If'a' and 'b' be two odd integers, then which
one of the following is correct?
(A) 'a+b' and 'ab' are both odd
(B) 'a+b'is even but 'ab' is odd
(C) 'a+b' and 'ab' are both even
(DY 'a+b'is odd but 'ab' is even​

Answer 1

Answer:

(B) 'a+b' is even but 'ab' is odd