Three years ago the average age of A and B was 18 years.With C joining them now,the average becomes 22 years.How old is she now?

Four years ago, the average age of A and B was 18 years. Now the average age of A, B and C is 24 years. After 8 years, the age of C will be

Four years ago,the average age of A and B was 18 years.At present the average age of A,backslash B and C is 24 years.What would be the age of C after 8 years? (a) 25 years (b) 28 years (c) 32 years (d) 36years

Five years ago the average age of A , B , C , D was 45 years. By including X the present average of all the five is 49 years. Then the present age of X is (a) 40 years (b) 45 years (c) 48 years (d) 64 years

How old will C be after 10 years ? (i) Five years ago, the average age of A and B was 15 years. (ii) Average ages of A,B and C today is 20 years.