The ration between the present ages of P and Q is 6:7. If Q is 4 years older than P, what will be the ratio of the ages of P and Q after 4 years?	Choose the correct choice from the following answers:
A) 2:3
B) 7:8
C) 11:13
D) 9:13
E) 1:2
Let P's and Q's age be 6x and 7x   7x-6x = 4   x = 4   Required ratio = (6x+4):(7x+4) = 28:32 = 7:8   Answer is 7:8
<result>B</result>
The ration between the present ages of P and Q is 6:7. If Q is 4 years older than P, what will be the ratio of the ages of P and Q after 4 years?