The salaries of X, Y and Z are in the ratio of 10 ∶ 12 ∶ 15. They are awarded increments of 40%, 50% and 60% respectively. What is the new ratio of their salaries?

The salaries of X, Y and Z are in the ratio of 10 ∶ 12 ∶ 15. They

1.	The salaries of X, Y and Z are in the ratio of 10 ∶ 12 ∶ 15. They are awarded increments of 40%, 50% and 60% respectively. What is the new ratio of their salaries?
A.	7 ∶ 9 ∶ 14
B.	7 ∶ 9 ∶ 12
C.	7 ∶ 10 ∶ 12
D.	8 ∶ 9 ∶ 12
Answer» C. 7 ∶ 10 ∶ 12