Question

1. The speed of an ordinary train is x km per hr
and that of an express train is (x + 25) km per
hr.
(i) Find the time taken by each train to cover
300 km.
(ii) If the ordinary train takes 2 hrs more than
the express train; calculate the speed of the
express train.


answer Is 75km per hour(book)
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Answer 1

1)300/xhrs

as time=distance/speed

2)300/300/x+2

as speed =distance /time