A train covered the distance from Agra to New Delhi in 3 hours at the
speed of 80 km/hr. It came back to Agra at the speed of 60 km per hour.
How long did it take to reach Agra?
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Answer:
Time from Agra to New Delhi = 3 hrs
speed=80km/hr
distance =3x80=240 km (txspeed)
speed during return journey=60km/hr
time taken=240/60 = 4 hrs
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