If x:y = 3 : 2, then the ratio 2x^(2) +...

If x:y = 3 : 2, then the ratio ` 2x^(2) + 3y^(2) : 3x^(2) - 2y^(2)` is equal to :

A

`12:5`

B

`6:5`

C

`30:19`

D

`5:3`

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The correct Answer is:

C

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