Q26. 
In a kilometer race, If Abhishek gives Bharti a 40 m start, Abhishek wins by 19 sec. But if Abhishek gives Bharti a 30 sec start, Bharti wins by 40 m. Find the time taken by Bharti to run 5,000 m? 
A.  150 sec 

B.  450 sec 

C.  750 sec 

D.  825 sec 
Q28. 
A man jogging inside a railway tunnel at a constant speed hears a train approaching the tunnel from behind at a speed of 30 km/h, when he is one third of the way inside the tunnel. Whether he keeps running forward or turns back, he will reach the end of the tunnel at the same time the train reaches that end. The speed at which the man is running is: 
A.  6 km/hr 

B.  8 km/hr 

C.  12 km/hr 

D.  10 km/hr 
Q29. 
A boat goes 30 km. upstream and 44 km. downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55 km downstream. The speed of the boat in still water is: 
A.  3 km/hr 

B.  4 km/hr 

C.  8 km/hr 

D.  6 km/hr 
Q30. 
A passenger train covers the distance between stations $X$ and $Y$, 50 minutes faster than a goods train. Find this distance if the average speed of the passenger train is 60 kmph and that of goods train is 20 kmph 
A.  20 kms 

B.  25 kms 

C.  45 kms 

D.  40 kms 