Question

p and q are two railway stations 560 km apart an express train leaves station p to station q at a speed of 55km /hr and a passenger train leaves station q to p at the same time and at the speed of 25 km/he find when and where will they meet​

Answer 1

Answer:

Step-by-step explanation:

Lets assume that the train  

P

travels  

x

m before they meet.  

Then  

Q

travels  

(

560

−

x

)

m.

Time  

=

Distance

Speed

Time taken for  

P

 

=

Time taken for  

Q

 

⇒

x

55

=

560

−

x

25

⇒

25

x

=

30800

−

55

x

⇒

 

80

x

=

30800

⇒

x

=

385

km

So, time from station  

P

 

=

385

55

=

7

hours

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Answer 2

Answer:

IN 7 HOURS THEY WILL MEET

Step-by-step explanation:

RELATIVE SPEED = (55+25)KM/HR = 80KM/HR

DISTANCE=560KM

SINCE,SPEED =DISTANCE/TIME

=>TIME=D/S

=>T=560/80

=>T=7 HOURS

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