LIC AAO Model Paper 7

Question : 46 of 160

Marks: +1, -0

Train ‘A’ running at a certain speed crosses another train ‘B’ running at a certain speed in the opposite direction in 12 seconds. What is the length of train ‘B’ ?
I. The length of both the trains together is 450 metres.
II. Train ‘A’ is slower thantrain 'B'

Validate

Solution:

Time taken in crossing each other

{\total \length \of \trains}/{\Relative \speed}

The information given in both statements is not sufficient as length of train A and individual speed of each train are required.

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