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nonagerian

· started a discussion

· 1 Months ago

why? (Question: 259921.0 )

why not 520+1040?

Question:

A passenger sitting in a train of length 520 m, which is running at a speed of 80 km/h crossing two platforms. He notices that he crosses the first platform and second platform in time interval which are in the ratio of 8 : 5 respectively. If the length of first platform is 1040 m. Then the length of second platform is –

Options:
A)

450 m

B)

650 m

C)

455 m

D)

545 m

Solution:

Ans: (b)

  

Abhyut

· commented

· 1 Months ago

It's because the person in the train is crossing the platform, not the train. So the train length shouldn't be considered.

Ashutosh Mishra

· commented

· 1 Months ago

Absolute nonsense!!!
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