Present ages of X and Y are in the ratio 5:6 respectively. Seven years hence this ratio will become 6:7 respectively. What is X's present age in years?
Choose the correct choice:
A) 35years B) 20years C) 25years D) 30years E) 28years
Let the present ages of X and Y is 5x and 6x   5x+7 / 6x+7 = 6/7   x = 7   X's present age = 5*7= 
<gadget id="calculator">5*7</gadget>
<output>35</output>
35 years   35yearsnswer is 35years
<result>A</result>
Present ages of X and Y are in the ratio 5:6 respectively. Seven years hence this ratio will become 6:7 respectively. What is X's present age in years?