Twelve years ago, P was half of Q in age. If the ratio of their present ages is 3:4, what will be the total of their present ages Choose the correct choice from the following:
A) A)35	B) B)34	C) C)42	D) D)25	E) E)26
Explanation:   Let the present age of P and Q be 3x and 4x respectively.   Twelve years ago, P was half of Q in age   =&gt; 2(3x – 12) = (4x – 12)   =&gt; 6x – 24 = 4x – 12   =&gt; 2x = 12   =&gt; x = 6   7x = 7*6= 
<gadget id="calculator">7*6</gadget>
<output>42</output>
42   Answer: Option 42
<result>C</result>
Twelve years ago, P was half of Q in age. If the ratio of their present ages is 3:4, what will be the total of their present ages