Question
What is the age of C, in a group of A, B, C, D and E
whose average age is 50 years? I: Average of the age of D and E is 47 years? II: Average of the age of A and B is 50 years? In each of the following questions, a question is followed by two or three statement. Read all the statements and find that which statements are required to answer the question and answer accordingly.Solution
From statement I and II: A + B + C + D + E = 5 × 50 = 250 years ……………….(i) A + B = 100 years …………………(ii) D + E = 94 years ………………..(iii) From (i), (ii) and (iii), we get C = 56
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