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:
A) A)3:4  B) B)3:5  C) of these  D) inadequate  E) C)4:3
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:of these
<result>C</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