The Karnataka express started from Bangalore to Bhopal at 7 pm at a speed of 60

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The Karnataka express started from Bangalore to Bhopal at 7 pm at a speed of 60 Kmph. Another train, MP express started from Bhopal to Bangalore at 4 am next morning at a speed of 90 Kmph. Find the time at which the two trains will meet, if the distance between Bangalore and Bhopal is 800 km.

Answer: Option C
:
C
Distance travelled by Karnataka express till 4 am = 9*60 = 540 kmph
Distance remaining = (800-540)km = 260 km
Relative speed = (60+90)kmph = 150 kmph
Time required to travel This distance =

\frac{260}{150}

* 60 = 104 minutes = 1 hr 44 mins
Time at which train meets = 4 am + 1 hr 44 mins
= 5.44 am.

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