Question : Two numbers are in the ratio of 6 : 5. If their HCF is 3, then what is the LCM of the two numbers?

Option 1: 64

Option 2: 110

Option 3: 90

Option 4: 80

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 sum of the two numbers is 18 and their HCF and LCM are 3 and 54, respectively. What will be the sum of their reciprocals?

Option 1: $\frac{1}{7}$

Option 2: $\frac{1}{11}$

Option 3: $\frac{1}{6}$

Option 4: $\frac{1}{9}$

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

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