The salaries of X, Y and Z are in the ratio 2 : 3 : 5. By what percentage is the salary of Z more than that of X?
Answer & explanation
Correct answer: option 4
X : Y : Z = 2 : 3 : 5,
⇒ Z is more than x by = \(\frac{5-2}{2}\) x 100 = \(\frac{3}{2}\) x 100 = 150%.