Question

If `"x"/"y"=4/5`, then the value of `(4/7+(2"y"-"x")/(2"y"+"x"))` is

Options

• `3/7`

• 2

• 1

• `8/7`

Answer 1

1

Explanation:

Given `"x"/"y"=4/5`

`4/7+(2"y"-"x")/(2"y"+"x")`

`⇒4/7+(2-"x"/"y")/(2+"x"/"y")`

`=4/7+(2-4/5)/(2+4/5)`

`=4/7+6/14`

= 1