Question : What is the ratio between the HCF and LCM of the numbers whose LCM is 48 and the product of the numbers is 384?

Option 1: 1 : 4

Option 2: 1 : 6

Option 3: 1 : 3

Option 4: 2 : 5

Question : The ratio of the two numbers is 6 : 7 and their HCF is 3. Their LCM is _____.

Option 1: 124

Option 2: 128

Option 3: 122

Option 4: 126

Question : The HCF and LCM of the two numbers are 21 and 84, respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is:

Option 1: 12

Option 2: 108

Option 3: 48

Option 4: 84

Question : If the LCM and the HCF of two numbers are 12 and 2 respectively, then find the mean proportional of these numbers.

Option 1: $2 \sqrt{6}$

Option 2: $\sqrt{14}$

Option 3: $2$

Option 4: $\sqrt{6}$

Question : Determine the LCM of two numbers if their HCF is 9 and their ratio is 14 : 19.

Option 1: 2394

Option 2: 3990

Option 3: 1596

Option 4: 3192