
Answer: B
Solution:
1st Quadrant:-
HCF ( Highest common Factor ) of 4 and 8 is 4
2nd Quadrant:-
HCF ( Highest common Factor ) of 3 and 5 is 1
3rd Quadrant:-
HCF ( Highest common Factor ) of 6 and 12 is 6
4th Quadrant:-
HCF ( Highest common Factor ) of 10 and 25 is 5