Direction : What should come in place of question mark (?) in the following questions ?

16) A train 800 metres long is running at a speed of 78 km/hr. If it crosses
a tunnel in 1 minute, then the length of the tunnel (in meters) is:

- A)130
- B)360
- C)500
- D)540

**Answer: **
C

17) A 300 metre long train crosses a platform in 39 seconds while it crosses
a signal pole in 18 seconds. What is the length of the platform?

- A)320 m
- B)350 m
- C)650 m
- D)Data inadequate

**Answer: **
B

18) A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:

- A)50 m
- B)150 m
- C)200 m
- D)Data inadequate

**Answer: **
B

19) A train moves past a telegraph post and a bridge 264 m long in 8 seconds
and 20 seconds respectively. What is the speed of the train?

- A)69.5 km/hr
- B)70 km/hr
- C)79 km/hr
- D)79.2 km/hr

**Answer: **
D

20) How many seconds will a 500 metre 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?

- A)25
- B)30
- C)40
- D)45

**Answer: **
B

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