Subject :IMO Class : Class 8
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?
A12 years
B24 years
CData inadequate
DNone of these
Ans 1:
Class : Class 9
Let the ages of A, B and C be a years, b years and c years respectively.
(a + b) is 12 greater than (b + c)
=> 12 + b + c = a + b
=> 12 + c = a
=> 12 = a - c
So, C is younger than A by 12 years
Answer is A