Two trains move from station A and station B towards each other at the speed of 50 km h and 60 km h ...........

Quant (SSC) Problems on trains

Two trains move from station A and station B towards each other at the speed of 50 km/h and 60 km/h. At the meeting point, the driver of the second train felt that the train has covered 120 km more. What is the distance between A and B?

1320 km

1100 km

1200 km

960 km

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Explanation:

To solve this question, we can apply a short trick approach;
Distance = Difference in distance × Sum of Sppeds /Diff. in Speeds
Given,
Speed of 1st train = 50 km/hr; Speed of 2nd train = 60 km/hr
Difference in distance = 120 km
By the short trick approach, we get
Distance = 120 × (50 + 60)/(60 – 50)
= 120 x 110/10 = 1320 km