A) \[4\frac{4}{5}s\]
B) \[9\frac{1}{5}s\]
C) \[10\,\,s\]
D) \[14\,\,s\]
Correct Answer: D
Solution :
Distance travelled by a 120 m long train to cross a platform 230 m long \[=120+230\] \[=350\,m\] And speed of train \[=90\,k\text{m/h}\] \[=\frac{90\times 5}{18}=25\,m/s\] Thus, time taken \[=\frac{350}{25}=14\,s\]You need to login to perform this action.
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