The ratio between the present ages of P and Q is 6:7. If Q is 4 years old 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) 7:5	B) 7:0	C) 7:3	D) 7:2	E) 7:8
Let P's age and Q's age be 6x and 7x years respectively.   Then, 7x - 6x = 4 =&gt; x = 4   Required ratio = (6x + 4) : (7x + 4)   28 : 32 = 7:8.Answer: 7:8
<result>E</result>
The ratio between the present ages of P and Q is 6:7. If Q is 4 years old than P, what will be the ratio of the ages of P and Q after 4 years?