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Initial speed= 60 km/h Travel time= 2 hour Travel distance= 60×2=120 km Remaining distance= 300-120=180 km Now speed= 60/2= 30 km/h (as given in question) Travel time= 180/03= 6 h Total time taken= 2+6=8h So, required time= 6 pm + 8 h= 2 am
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