Let the two trains meet after x hours. Then, 60x−50x=120⇒10x=120⇒x=12hrs
Distance AB = (Dist. covered by slower train) + (Dist. covered by faster train)
=[(50×12)+(60×12)]km
=600km+720km=1320km
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Answers & Comments
Let the two trains meet after x hours. Then, 60x−50x=120⇒10x=120⇒x=12hrs
Distance AB = (Dist. covered by slower train) + (Dist. covered by faster train)
=[(50×12)+(60×12)]km
=600km+720km=1320km
[tex]Speed =120 \: km \: per \: hour \\ \\ (i) Time =36 \: minutes \\ \\ 60 \: minutes =1 \: hour \\ \\ 36 \: minutes= \: \frac{1}{36} \: hour \\ \\ = 0.6 \: hours \\ \\ Distance=speed×time \\ \\ = (120 \: km \: hr)×(0.6 \: hr) \\ \\ = 72 \: km[/tex]
[tex] \\ [/tex]
[tex]Speed =150 \: km \: per \: hour \\ \\ (i) Time =36 \: minutes \\ \\ 60 \: minutes =1 \: hour \\ \\ 36 \: minutes= \: \frac{1}{36} \: hour \\ \\ = 0.6 \: hours \\ \\ Distance=speed×time \\ \\ = (150 \: km \: hr)×(0.6 \: hr) \\ \\ = 90 \: km[/tex]