Question

two numbers are respectively 10% and 20% more than a third number. the ratio of the two numbers is?​

Answer 1

Answer:

1 : 2

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Step-by-step explanation:

let first no. is x,

second no. y

and third no. is z

x = z + 10% of z,

y = z + 20% of z.

x/y = (z+10/100) / (z+20/100)

x/y = (z/10)/(z/5)

= (z/10)× (5/z)

x/y = 5/10

x/y = 1/2

x:y = 1:2

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