The L.C.M. of two numbers is 140. If their ratio is 2:5, then the numbers are:
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Ratio of two numbers =2:5
Let the numbers are 2x and 5x
Hcf (2x,5x)=x
Lcm(2x,5x)=140
Product of two numbers =lcm×hcf
2x*5x=140*x
x=(140*x)/(10*x)
x=14
Therefore
Required two numbers are
2x=2*14=28,
5x=5*14=70
Let the numbers are 2x and 5x
Hcf (2x,5x)=x
Lcm(2x,5x)=140
Product of two numbers =lcm×hcf
2x*5x=140*x
x=(140*x)/(10*x)
x=14
Therefore
Required two numbers are
2x=2*14=28,
5x=5*14=70
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