Total of ages of A,B and C at present is 90 years. If ratio of this ages is 2 : 3 : 4 what will be the age of C after 6 years?	Choose the correct choice:  A) 45 years  B) 42 years  C) 46 years  D) 37 years  E) None of the above
2+3+4= 
<gadget id="calculator">2+3+4</gadget>
<output>9</output>
9   4*(90/9)= 
<gadget id="calculator">4*(90/9)</gadget>
<output>40</output>
40yrs   after 6yrs=46   ANSWER:46 years
<result>C</result>
Total of ages of A,B and C at present is 90 years. If ratio of this ages is 2 : 3 : 4 what will be the age of C after 6 years?