1.The HCF of 12 and 16 is.
A. 2
B. 4
C. 6
D. 1
2.The HCF of two consecutive ODD numbers is
A. 3
B. 2
C. 1
D. 0
3.The HCF of 66,77,88
A.11
B. 12
C. 13
D. 17
4.The HCF of two consecutive EVEN numbers is
5.The HCF of two consecutive numbers is .
A. 0
B. 1
C. 2
D. 3