School

Headteacher think whether the distribution of pupils in race in groups of 4,5,6,9 or 10. How many pupils must have at least school at possible options?

Correct result:

x =  180

Solution:

4=22 5 ... primenumber 6=2⋅3 9=32 10=2⋅5 LCM(4,5,6,9,10)=22⋅32⋅5=180  x=LCM(4,5,6,9,10)=180

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