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Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has traveled 90 km more than the first. What is the distance (in km) between S and R?
  • a)
    450
  • b)
    990
  • c)
    540
  • d)
    1040
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Two trains start moving from stations S and R. Both trains move toward...
⇒ Let the total distance covered by the train ‘S’ be ‘d’, Then the distance covered by train ‘R’ be (90 + d)
⇒ When they meet for the first time, they both have travelled for the same time, so the Speed is directly proportional to Distance
⇒ S1/S2 = D1/D2
⇒ (35/42) = d/(d + 90)
⇒ (35/42) = d/(d + 90)
⇒ 5× (d + 90) = 6d
⇒ 5d+ 450 =6d
⇒ d = 450
⇒ Distance between S and R =  450 + (450 + 90)
∴ Required Distance = 990
Alternative:
Difference in speed between 2 trains = 42 - 35 = 7 km/hr
Since train 2 has covered 90 kms more before they meet.
So, total time taken to cover 90 km = 90/7 = 12.857 hours
Distance covered by train 1 before they meet = 12.857 × 35 = 450 km
Distance covered by train 2 before they meet = 450 + 90 = 540 km
So total distance between S and R = 450 + 540 = 990 km
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Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has traveled 90 km more than the first. What is the distance (in km) between S and R?a)450b)990c)540d)1040Correct answer is option 'B'. Can you explain this answer?
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Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has traveled 90 km more than the first. What is the distance (in km) between S and R?a)450b)990c)540d)1040Correct answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has traveled 90 km more than the first. What is the distance (in km) between S and R?a)450b)990c)540d)1040Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has traveled 90 km more than the first. What is the distance (in km) between S and R?a)450b)990c)540d)1040Correct answer is option 'B'. Can you explain this answer?.
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