The incomes of P, Q and R are in the ratio 10 : 12 : 9 and their expenditures are in the ratio 12 : 15 : 8. If Q saves 25% of his income, then what is the ratio of the savings of P, Q and R?
A.
15 : 14 : 21
B.
14 : 15 : 21
C.
21 : 15 : 14
D.
21 : 14 : 15
Solution:
-