If X : Y = 11 : 5, then what is the value of (X - Y) : (X + Y) ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 3 : 8.
⇒ X : Y = 11 : 5 = 11x : 5x
Now, the value of (X - Y) : (X + Y)
⇒ (11x - 5x) : (11x + 5x)
⇒ 6x : 16x
⇒ 3 : 8