Question

Q13:
HCF of 12 and 30 by division method is
Oa) 6
Ob) 9
Oc)
Od) None of these

Answer 1

HCF of 12 and 30 is 6.

HCF stands for highest common factor.

12= 2×2×3

30 = 2×3×5

So , HCF = 3×2 = 6