Question : The three racers' speed ratio is 3 : 2 : 4. What is the respective ratio of time taken by the three racers to cover the same distance?

Option 1: 6 : 8 : 9

Option 2: 4 : 8 : 5

Option 3: 10 : 8 : 3

Option 4: 4 : 6 : 3

Question : The ratio of the speed of Aman, Kamal, and Manan is 2 : 3 : 4 respectively. What is the ratio of the time taken by Aman, Kamal, and Manan respectively to cover the same distance?

Option 1: 4 : 3 : 2

Option 2: 2 : 3 : 4

Option 3: 6 : 4 : 3

Option 4: 8 : 9 : 16

Question : A can do a work alone in 60 days and B can do the same work alone in 33.33% less time taken by A. Find the time taken by B to complete the work alone.

Option 1: 30 days

Option 2: 17 days

Option 3: 22 days

Option 4: 40 days

Question : A piece of work can be completed by P and Q together in 24 days, and the same piece of work can be completed by R alone in 60 days. If P and R together can do the same work in 36 days, then find the time taken by Q to complete this piece of work alone.

Option 1: $8\frac{4}{5}$days

Option 2: $29\frac{9}{13}$days

Option 3: $3\frac{6}{7}$days

Option 4: $32\frac{8}{11}$days

Question : The ratio of time taken by A and B to cover a certain distance is 17 : 19. Find the ratio of their respective speed.

Option 1: 11 : 15

Option 2: 15 : 19

Option 3: 17 : 15

Option 4: 19 : 17