Aptitude - Problems on Trains - Discussion

Discussion Forum : Problems on Trains - General Questions (Q.No. 1)
1.
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
120 metres
180 metres
324 metres
150 metres
Answer: Option
Explanation:

Speed = 60 x 5 m/sec = 50 m/sec.
18 3

Length of the train = (Speed x Time).

Length of the train = 50 x 9 m = 150 m.
3

Discussion:
587 comments Page 30 of 59.

Shubhankar said:   8 years ago
Nice explanation. Thank you all.

VIVEK KUMAR said:   8 years ago
Time taken by a train of length l metres to pass a pole or standing man or a signal post is equal to the time taken by the train to cover l metres. How? explain me with simplification, please.

Harendra yadav said:   8 years ago
GIVEN:-
Speed of the train = 60 km/h.
Time = 9 sec.
Length of the train = ?

Formula : All lenth / time * 18/5 = speed.
Solution:-
All length/ time * 18/5 = 60,
?/9 * 18/5 =60,
? * 2/5 =60,
? * 1/5 = 30,
?*1 =30*5,
? = 150.
Answer :- 150 meter.

Durai said:   8 years ago
Good Explanation. Thanks.

Hemanth said:   8 years ago
Excellent explanation. Thank you @Sundhar.

Sai said:   8 years ago
Thank you for all the given explanations.

Manju said:   8 years ago
Thank you all.

Faris K.P said:   8 years ago
Good Explanation. Thank you all.

Ajay said:   8 years ago
Really great explanation @Kalimuthu.

S siva said:   8 years ago
Good explanation, thank you all.


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