Six years ago, the ratio of ages of Kunal and Sagar was 6:5. Four years hence, the ratio of their ages will be 11:10. What is Sagar's age at present?  Select.
A) 18
B) 15
C) 16
D) 20
E) 25
[(6x + 6) + 4] / [(5x + 6) + 4] = 11/10   10(6x + 10) = 11(5x + 10) =&gt; x = 2   Sagar's present age = (5x + 6) = 16 years.   ANSWER 16
<result>C</result>
Six years ago, the ratio of ages of Kunal and Sagar was 6:5. Four years hence, the ratio of their ages will be 11:10. What is Sagar's age at present?