The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:10. If P invested the money for 5 months, find for how much time did Q invest the money?  Select
A) 11	B) 10	C) 99	D) 28	E) 73
Explanation:   7*5: 5*x = 7:10   x = 10   Answer: 10
<result>B</result>
The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:10. If P invested the money for 5 months, find for how much time did Q invest the money?