NIFT PG 2013 Question Paper with solutions

Question : 51 of 150

Marks: +1, -0

A train passes a man standing on the platform in 9 seconds and passes the platform completely in 33 seconds. If the length of the platform is 288 metres, what is the length of the train?

105 m
108 m
111 m
114 m

Validate

Solution:

Let the length of train = l m

\text "Speed of train"=\text "Length of train"/\text "Time required to cross a standing man"

=l/9

m/sec
According to the question,

l/9={l+288}/33

33l=9l+2592

24l=2592

l=2592/24=108m

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