When the distance of the two trains was 8 km 750 m they started moving in parallel railways towards each other if the speed of the two trains was 30 km per hour and 40 km per hour, but after how long. Will the two trains meet?
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Given That Trains Start at the Same Time.
Speed of 1st Train= 30 km/h
Speed of 2nd Train= 40 km/h
Let the time they meet Be= X
Train 2 travels X+30 more than T1. This is Speed of Train 2.
By Distance Formula:
Speed = Distance / Time
Time= X+30/40 --------------> (1)
Also, Time=X/30 ------------------> (2)
From Both the Equations:
X/30 = X+30/40
X x 40 = X+ 30 X 30
2X= 90/40
2X= 2.5
X= 1.25
Therefore, They meet After 1.25 Hrs.
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