Ques:- Which of the following is always odd?
A. Sum of two odd numbers
B. Product of two odd numbers
C. Difference of two odd numbers
D. None of these
Ques:- An integer us divisible by 16 if and only if its last X digits are divisible by 16. The value of X would be
A. 3
B. 4
C. 5
D. 6