Sachin is younger than Rahul by 4 years. If their ages are in the respective ratio of 7:9, how old is Sachin?	Choose the correct choice from the following options:
A) 16 years B) 18 years C) 28 years D) Cannot be determined E) None of these
Let Rahul's age be x years.   Then, Sachin's age = (x - 7) years.   (x - 7)/x = 7/9   2x = 63 =&gt; x = 31.5   Hence, Sachin's age = (x - 7) = 24.5 years.   ANSWNone of theseR:None of these
<result>E</result>
Sachin is younger than Rahul by 4 years. If their ages are in the respective ratio of 7:9, how old is Sachin?