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?
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 46 of 59.
Without formula said:
8 years ago
@Aditya.
15%+55% = 70,
30%?
12750÷ 30 = 425*70 = 29750 + 12750 = 42500ans.
15%+55% = 70,
30%?
12750÷ 30 = 425*70 = 29750 + 12750 = 42500ans.
S siva said:
8 years ago
Good explanation, thank you all.
Ajay said:
8 years ago
Really great explanation @Kalimuthu.
Faris K.P said:
8 years ago
Good Explanation. Thank you all.
Manju said:
8 years ago
Thank you all.
Sai said:
8 years ago
Thank you for all the given explanations.
Hemanth said:
8 years ago
Excellent explanation. Thank you @Sundhar.
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.
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.
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.
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