CUET Preparation Today
CUET
General Test
Numerical Ability
HCF and LCM
If LCM of two numbers 390 and 420 is 5460, then the HCF of two numbers is:
35
45
30
42
LCM × HCF = Product of the two numbers
5460 × HCF = 390 × 420
HCF = \(\frac{390 × 420}{5460}\) = 30
