Multiple choice

A and B are two stations 455 km apart. A train starts from station A at 9 am and runs towards station B with a speed of 55 kmph. Another train starts from station B at 10 am and runs towards station A with a speed of 45 kmph. At what time do the trains meet? 1.2 pm 2. 2:15 pm 3.2:30 pm 4.2:45 pm

  1. 1

  2. 2

  3. 3

  4. 4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Train A starts at 9 am, speed 55. By 10 am, it has traveled 55 km. Remaining distance = 455 - 55 = 400 km. Relative speed = 55 + 45 = 100 kmph. Time to meet = 400 / 100 = 4 hours after 10 am, which is 2 pm.

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