The ratio of ages of A and B at present is 2:3. After five years the ratio of their ages will be 3:4 What is the present age of A in years?
Choices
A) 10	B) 15	C) 25	D) 30	E) 35
( 2x+5 ) /( 3x+5) = 3/4   or, 8x+20=9x+15   or,x=5   So, Present age of 10 = 2x = (2*5)= 
<gadget id="calculator">(2*5)</gadget>
<output>10</output>
10   10NSWER:10
<result>A</result>
The ratio of ages of A and B at present is 2:3. After five years the ratio of their ages will be 3:4 What is the present age of A in years?