Question : The HCF of $\frac{1}{2}, \frac{3}{4}, \frac{5}{6},$ and $\frac{7}{8}$ is:

Option 1: $\frac{105}{2}$

Option 2: $\frac{1}{24}$

Option 3: $\frac{7}{24}$

Option 4: $\frac{1}{48}$

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 : The HCF of 222, 642, and 1062 is ____.

Option 1: 6

Option 2: 8

Option 3: 4

Option 4: 2

Question : Find the HCF of 238 and 832.

Option 1: 16

Option 2: 8

Option 3: 2

Option 4: 14

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