The total age of A and B is 15 years more than the total age of B and C. C is how many years younger than A ?  Options.
A) 12 B) 27 C) 15 D) 18 E) 11
(A+B) - (B+C) = 15   A - C = 15.   C is younger than A by 15 years.   Answer: 15
<result>C</result>
The total age of A and B is 15 years more than the total age of B and C. C is how many years younger than A ?