Question

two trains are running at a speed of 85 km/h and 60 kilometre per hour respectively in opposite direction if they take 15 second Tu pass each other completely then find the length of one train provided the length of other is 140m
(Ans. should be in point decimal)
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Answer 1

Answer:

$\huge{\underline{\mathtt{\red{❥A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}$Relative speed =(60+90)km/hr=150km/hr=150×

18

5

m/sec=

3

125

m/sec

Distance covered by the slower train to cross the faster train =(1.1+0.9)km=2km=2000m

The time taken by the slower train to cross the faster train in second =

speed

distance

2000

= 125

----

3 I

=16×3=48 seconds