A bus service number 4 leaves a terminus every 15 minutes. Services 8 and 3 leaves after every 20 and 30 minutes respectively. If all...

      

A bus service number 4 leaves a terminus every 15 minutes. Services 8 and 3 leaves after every 20 and 30 minutes respectively. If all the three services leave together at 6.00 am, what is the earliest time the three buses will leave together again?

  

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sharon kalunda answered the question on August 22, 2019 at 08:37

Next: The figure below shows a circle centre O. Chord AB subtends 30⁰ at the centre.
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