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Aptitude - Problems on Trains - Discussion

Discussion Forum : Problems on Trains - General Questions (Q.No. 21)
Problems on Trains
21.
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?
25
30
40
45
Answer: Option
Explanation:

Speed of the train relative to man = (63 - 3) km/hr
= 60 km/hr
= ( 60 x 5 ( m/sec
18
= ( 50 ( m/sec.
3
Therefore Time taken to pass the man
= ( 500 x 3 ( sec
50
= 30 sec.

Discussion:
44 comments Page 5 of 5.
Manju said:   9 years ago
Why 50/3 is taken as 3/50?
Neha said:   10 years ago
What is a time formula?
Saurav dey said:   10 years ago
Distance/speed.
Niyati said:   10 years ago
Why take 5/18?
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