NIFT UG 2010 Question Paper with solutions

Question : 142 of 149

Marks: +1, -0

Two trains start simultaneously from A and B and travel towards each other at the rates of 85 km/h and 77.5 km/h respectively. When they meet, one train has travelled 60 km more than the other. The distance between A and B is

1300 km
1350 km
650 km
None of these

Validate

Solution:

Suppose that two trains meet after t hours.
Distance covered by first train = 85t km
Distance covered by second train = 77.5t km

85t–77.5t=60

7.5t=60

t=8h

Distance between A and B

=85t+77.5t

=162.5t

=162.5×8=1300km

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