LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is

Answer: Option B

Let two numbers be N₁ and N₂.
Now, we have
HCF of the numbers × LCM of the numbers = Multiplication of the numbers.
936 × 4 = 72 × N₁
Or, N₁ = $$\frac{936\times 4}{72}$$
Or, N₁ = 52