Question : If the sum of two numbers is 60 and their HCF and LCM are 5 and 60, respectively, then the sum of the reciprocals of the numbers will be:

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

Option 2: $\frac{1}{6}$

Option 3: $\frac{1}{4}$

Option 4: $\frac{1}{5}$

Question : Two numbers are in the ratio 3 : 4. The product of their HCF and LCM is 2700. The sum of the numbers is:

Option 1: 60

Option 2: 105

Option 3: 15

Option 4: 45

Question : The HCF and the LCM of two numbers are 5 and 175, respectively. If the ratio of the two numbers is 5 : 7, the larger of the two numbers is _______.

Option 1: 35

Option 2: 25

Option 3: 45

Option 4: 75

Question : If three numbers are in the ratio of 1 : 3 : 7, and their LCM is 336, then their HCF is:

Option 1: 16

Option 2: 18

Option 3: 10

Option 4: 12

Question : The LCM of four consecutive numbers is 60. The sum of the first two numbers is equal to the fourth number. What is the sum of the four numbers?

Option 1: 17

Option 2: 14

Option 3: 21

Option 4: 24