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Mathematics

25% of x is equal to 35% of y, then x : y equals to :

  1. 5 : 7

  2. 7 : 5

  3. 13 : 15

  4. 15 : 13

Ratio Proportion

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Answer

Given,

25% of x = 35% of y

⇒25100x=35100y⇒25x=35y⇒xy=3525⇒xy=75.\Rightarrow \dfrac{25}{100}x = \dfrac{35}{100}y \\[1em] \Rightarrow 25x = 35y \\[1em] \Rightarrow \dfrac{x}{y} = \dfrac{35}{25} \\[1em] \Rightarrow \dfrac{x}{y} = \dfrac{7}{5}.

Thus,

x : y = 7 : 5

Hence, option 2 is the correct option.

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