The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:14. If P invested the money for 5 months, find for how much time did Q invest the money? Choose the correct choice from the following:
A) 19
B) 14
C) 13
D) 10
E) 12
7*5: 5*x = 7:14   x = 14   Answer: 14
<result>B</result>
The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:14. If P invested the money for 5 months, find for how much time did Q invest the money?