Question
If the total ages of A and B is 9 years more than the
total age of B and C. C is how many years younger than A?Solution
Let the age of A, B and C be x, y and z respectively. Then, according to question, => (x + y) – (y + z) = 9 => x + y – y - z = 9 => x - z = 9 Thus, C is 9 years younger than A.
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