Question : The HCF of three numbers 98, 175, and 210 will be:

Option 1: 6

Option 2: 3

Option 3: 5

Option 4: 7

Question : Three numbers are in the ratio $\frac{1}{2}: \frac{2}{3}: \frac{3}{4}$. If the difference between the greatest number and the smallest number is 33, then the HCF of the three numbers is:

Option 1: 9

Option 2: 5

Option 3: 13

Option 4: 11

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 : The arithmetic mean of the following numbers
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7 is:

Option 1: 4

Option 2: 5

Option 3: 14

Option 4: 20

Question : The HCF of three numbers 72, 108, and 2010 is:

Option 1: 18

Option 2: 6

Option 3: 12

Option 4: 5