** Question No : 15**

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train ?

$27\frac{7}{9}$

$28\frac{7}{9}$

$29\frac{7}{9}$

$30\frac{7}{9}$

** Question No : 16**

Two trains are running in opposite directions in the same speed. The length of each train is 120 meter. If they cross each other in 12 seconds, the speed of each train (in km/hr) is

30 Km/hr

36 Km/hr

80 Km/hr

90 Km/hr

** Question No : 17**

A train, 800 meter long is running with a speed of 78 km/hr. It crosses a tunnel in 1 minute. What is the length of the tunnel ?

650 meter

555 meter

500 meter

458 meter

** Question No : 18**

How many seconds will a 500 meter long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr

25 Seconds

28 Seconds

30 Seconds

35 Seconds

** Question No : 19**

A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger ?

30 seconds

32 seconds

34 seconds

36 seconds

** Question No : 20**

Two trains 140 metre and 160 metre long run at the speed of 60 km/hr and 40 km/hr respectively in opposite direction on parallel tracks. What time these will take to cross each other ?

10.7 Seconds

10.8 Seconds

10.9 Seconds

11.8 Seconds

** Question No : 21**

A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. Find the length of train ?

45 meter

50 meter

55 meter

60 meter