यदि m:n = 3:2 हो, तो (4m+5n):(4m-5n)=?...

यदि m:n = 3:2 हो, तो `(4m+5n):(4m-5n)`=?

A

`4:9`

B

`9:4`

C

`11:1`

D

`9:1`

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The correct Answer is:

C

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