The total age of A and B is 12 years more than the total age of B and C. C is how many year younger than A?
The total age of A and B is 12 years more than the total age of B and C. C is how many year younger than A?
Explanation
Given that A+B = 12 + B + C
=> A – C = 12 + B – B = 12
C is younger than A by 12 years.