Question : Find the HCF of 364 and 724.

Option 1: 4

Option 2: 2

Option 3: 6

Option 4: 364

Question : The areas of the two triangles are in the ratio 4 : 3 and their heights are in the ratio 6 : 5. Find the ratio of their bases.

Option 1: 5 : 6

Option 2: 10 : 9

Option 3: 6 : 5

Option 4: 9 : 10

Question : Three numbers are in the ratio of 5 : 7 : 9 and their LCM is 34,650. Their HCF is:

Option 1: 315

Option 2: 55

Option 3: 110

Option 4: 99

Question : Find the HCF of 78, 84, 90 and 112.

Option 1: 1

Option 2: 2

Option 3: 5

Option 4: 7

Question : Find the HCF of $\frac{11}{25}, \frac{9}{20}, \frac{16}{15}$, and $\frac{10}{33}$.

Option 1: $\frac{1}{3300}$

Option 2: $\frac{1}{330}$

Option 3: $\frac{1}{33}$

Option 4: $\frac{1}{300}$