Two trains start at same time from stations A and B, 1800 km apart, and proceed towards each other at an average speed of 44 km/h and 46 km/h, respectively. Where will the trains meet?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e 880 km from station A.
| Understanding/Application |
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Distance between two stations A and B = 1800 km Average speed of train that starts from station A = 44 km/h The average speed of the train that starts from station B = 46 km/h Both trains are moving in the opposite direction - Thus, the relative speed will be = (44 + 46) = 90 km/h Time = distance /speed Time after which they meet = 1800/90 = 20 hours |
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Distance travelled by train that started from station A in 20 hours = (44 × 20) = 880 km Distance travelled by train that started from station B in 20 hours = (46 × 20) = 920 km Meeting point from station A = 880 km |