Question : In a box, the ratio of the number of green stones to black stones is 5 : 8. If there are 24 black stones, then how many total stones are in the box?

Option 1: 13

Option 2: 39

Option 3: 26

Option 4: 24

Question : What is the ratio of 84 pens to 108 pens?

Option 1: 6 : 11

Option 2: 7 : 12

Option 3: 5 : 7

Option 4: 7 : 9

Question : If p : q : r = 2 : 5 : 3 and r : s = 6 : 5, then what is the value of p : q : r : s?

Option 1: 4 : 12 : 7 : 3

Option 2: 4 : 10 : 6 : 5

Option 3: 6 : 5 : 8 : 10

Option 4: 8 : 12 : 7 : 8

Question : Which fraction among $\frac{3}{7}$, $\frac{5}{11}$ and $\frac{6}{13}$ is the largest?

Option 1: $\frac{3}{7}$

Option 2: $\frac{5}{11}$

Option 3: $\frac{6}{13}$

Option 4: All are equal

Question : The speeds of the three cars are in the ratio of 1 : 3 : 5. The ratio of the time taken by these cars to travel the same distance is:

Option 1: 3 : 5 : 15

Option 2: 15 : 3 : 5

Option 3: 15 : 5 : 3

Option 4: 5 : 3 : 15