If x - y : y - z : z - k = 2 : 3 : 5, then
Find the ratio of y - k : x - k
Answer & explanation
Correct answer: option 4
1 2 3
Given, x - y : y - z : z - k = 2 : 3 : 5
Add all of them ⇒
x - y + y - z + z - k = 10
x - k = 10
Now add 2 and 3
⇒ y - z + z - k = 3 + 5
⇒ y - k = 8
Now, \(\frac{y - k}{x - k}\) = \(\frac{8}{10}\) = \(\frac{4}{5}\)