Question
Two trains approach each other at 24 kmph and 31 kmph
from 2 places 220 km apart. After how many hours they will meet?Solution
Distance = 220 km Speed of train 1 = 24 km/hr Speed of train 2 = 31 km/hr Relative speed = 24 + 31 = 55 km/hr Therefore, speed = distance/time ⇒ 55 = 220/Time ⇒ Time = 220/55 = 4 hrs
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