A train travels a certain distance taking 7 hrs in forward
journey, during the return journey increased speed 12km/hr
takes the times 5 hrs.What is the distance traveled

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A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

420 km.
If v = speed on forward journey.
distance of forward journey = 7v
distance of return journey = 5(v+12) = 5v + 60
forward and return journey are equal so:
7v = 5v + 60
This means 2v = 60 and v = 30 km/hr.

The forward journey is 7*30 = 210 km.
The return journey is 5*42 = 210 km (not surprising).
Total distance traveled is 420 km.

 Is This Answer Correct ? 78 Yes 7 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

210KM

 Is This Answer Correct ? 35 Yes 15 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

30km

 Is This Answer Correct ? 23 Yes 15 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

120

 Is This Answer Correct ? 35 Yes 29 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

210Km

 Is This Answer Correct ? 19 Yes 13 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

x=speed
y=distance
according to the first situation ,
x=y/7...(1)
according to second situation,
x+12=y/5
or
5(x+12)=y
5x+60=y.....(2)
by subtracting equation 1&2
x=30
:the train will travel 30km

 Is This Answer Correct ? 13 Yes 7 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

the distance trvelled in forward journey is 210 km.it
would b same in returning.therefore total distance trvelled
is 420 km

 Is This Answer Correct ? 7 Yes 1 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

suppose speed=x
distance travel=speed*timetaken
so distance=7x

now return time
speed=x+12
timetaken=5

distance=5(x+12)

now solving this
7x=5(x+12)
x=30

so distance is 7*30=210
ans is 210;

 Is This Answer Correct ? 8 Yes 3 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

for forward journey it travels 210km. same as in the case of
return journey. so 210+210= 420km is the correct answer.

 Is This Answer Correct ? 3 Yes 0 No

A train travels a certain distance taking 7 hrs in forward journey, during the return journey incr..

210 is correct ans
c if train travel same distance
consider P=7*X
WHERE x IS speed
p=5*(x+12)
by soving
v get 210

 Is This Answer Correct ? 4 Yes 2 No

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