Question : The LCM of two numbers is five times their HCF. If the product of the two numbers is 20480, then find their HCF and LCM, respectively.

Option 1: 46 and 230

Option 2: 48 and 240

Option 3: 64 and 320

Option 4: 56 and 280

Question : The product of two numbers is 20000. If their LCM is 800, then what is their HCF?

Option 1: 25

Option 2: 30

Option 3: 35

Option 4: 20

Question : The product of two numbers is 216. If the HCF is 6, then their LCM is:

Option 1: 72

Option 2: 60

Option 3: 48

Option 4: 36

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

Option 1: 15

Option 2: 30

Option 3: 25

Option 4: 105