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 5 years?	Choose the correct choice from the following.
A) 45 years	B) 42 years	C) 40 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 5yrs=45   45 yearsNSWER:45 years
<result>A</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 5 years?