The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A ?
12 years
13 years
14 years
15 years
Explanation:
(A+B) - (B+C) = 12
A - C = 12.
C is younger than A by 12 years.
(A+B) - (B+C) = 12
A - C = 12.
C is younger than A by 12 years.