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Constraint m^2/18= Integer, n^3/80=Integer
Remainder of m•n/120=?

m^2/18= m^2/(2•3^2)= (2•3)^2/(2•3^2)=integer .: m=6

n^3/80= n^3/(2^4•5)= (2^2•5)^3/(2^4•5)=Integer .:n =20

.: n•m/120 = 20•6/120—(r)—> 0

Answer A

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Constraint m^2/18= Integer, n^3/80=Integer
Remainder of m•n/120=?

m^2/18= m^2/(2•3^2)= (2•3)^2/(2•3^2)=integer .: m=6

n^3/80= n^3/(2^4•5)= (2^2•5)^3/(2^4•5)=Integer .:n =20

.: n•m/120 = 20•6/120—(r)—> 0

Answer A

Posted from my mobile device


Can you please eloborate it little more that how m=6 ,n=20? I am new here not getting
m^2/18= m^2/(2•3^2)= (2•3)^2/(2•3^2)=integer .: m=6

n^3/80= n^3/(2^4•5)= (2^2•5)^3/(2^4•5)=Integer .:n =20
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