Four cisterns in a public lavatory are designed to flush at intervals of 5, 8, 10,15 seconds. After how many minutes will they flush together?

      

Four cisterns in a public lavatory are designed to flush at intervals of 5, 8, 10,15 seconds. After how many minutes will they flush together?

  

Answers


joseph
Find the L.C.M. of 5,8,10,15
5= 5x1
8=2^3
10=2X5
15=3x5
L.C.M =2^3X3X5
=120/60
=2minutes

joseph rimiru answered the question on October 25, 2017 at 13:15


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