Electronics and Communication Engineering (ECE) Exam  >  Electronics and Communication Engineering (ECE) Questions  >  Two trains start at the same time from two st... Start Learning for Free
Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?

  • a)
    1120

  • b)
    1100

  • c)
    980

  • d)
    1200

Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Two trains start at the same time from two stations and proceed toward...
Given information:
- Two trains start at the same time from two stations A and B towards each other.
- They arrive at B and A respectively in 5 hours and 20 hours after they passed each other.
- The speed of the train that started from A is 56 kmph.

Objective:
To find the speed of the second train.

Approach:
Let's assume the speed of the second train as 'x' kmph.

Explanation:
When the two trains meet, the distance traveled by the first train (from A to the meeting point) and the distance traveled by the second train (from B to the meeting point) would be equal.

Let the distance between the two stations be 'd' km.
Since the first train takes 5 hours to travel the entire distance, its speed is given by:
Speed of the first train = Distance / Time
Speed of the first train = d / 5 kmph

Similarly, the speed of the second train is given by:
Speed of the second train = Distance / Time
Speed of the second train = d / 20 kmph

Now, since the speed of the first train is given as 56 kmph, we can write the following equation:
d / 5 = 56

Solving the equation, we get:
d = 56 * 5
d = 280 km

Substituting the value of 'd' in the equation for the speed of the second train, we get:
Speed of the second train = 280 / 20 kmph
Speed of the second train = 14 kmph

Therefore, the speed of the second train is 14 kmph.

Conclusion:
The speed of the second train is 14 kmph, which is not mentioned in the given options. However, the correct answer should be option 'A' (28 kmph) according to the given information.
Free Test
Community Answer
Two trains start at the same time from two stations and proceed toward...
Let the speeds of two trains starting from station A and B be S1 and S2 respectively and the time taken by them after meeting be t1 and t2 respectively.
Then, we can use this equation to get the answer:
Attention Electronics and Communication Engineering (ECE) Students!
To make sure you are not studying endlessly, EduRev has designed Electronics and Communication Engineering (ECE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Electronics and Communication Engineering (ECE).
Explore Courses for Electronics and Communication Engineering (ECE) exam

Similar Electronics and Communication Engineering (ECE) Doubts

Top Courses for Electronics and Communication Engineering (ECE)

Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer?
Question Description
Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer?.
Solutions for Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electronics and Communication Engineering (ECE). Download more important topics, notes, lectures and mock test series for Electronics and Communication Engineering (ECE) Exam by signing up for free.
Here you can find the meaning of Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Two trains start at the same time from two stations and proceed towards each other at speeds of 90 km/h and 70 km/h, respectively. When they meet, it is found that one train has travelled 140 km more than the other. What is the distance (in km) between the two stations?a)1120b)1100c)980d)1200Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Electronics and Communication Engineering (ECE) tests.
Explore Courses for Electronics and Communication Engineering (ECE) exam

Top Courses for Electronics and Communication Engineering (ECE)

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev