Multiple choice

Two buses A and B arrives at a station after every 45 and 50 minutes respectively. If they start the day together, after what time will the buses arrive together at the station?

  1. 7 hours 30 minutes

  2. 8 hours

  3. 9 hours 20 minutes

  4. None
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The buses arrive together after time intervals equal to the least common multiple (LCM) of 45 and 50 minutes. The LCM of 45 and 50 is 450 minutes, which equals 7 hours 30 minutes. This is when both buses will arrive at the station simultaneously again.

Keep practicing — related questions