A) 25
B) 30
C) 40
D) 45
Correct Answer: B
Solution :
Relative speed of train \[=63-3=60\]km/h\[=60\times \frac{5}{18}\]m/s \[\therefore \] \[\text{Time}=\frac{\text{Length}\,\,\text{of}\,\,\text{train}}{\text{Relative}\,\,\text{speed}}=\frac{500\times 18}{60\times 5}=30\,\,\text{s}\]You need to login to perform this action.
You will be redirected in
3 sec