The present average age of ‘X’ and ‘Y’ is 16 years, present average age of ‘X’ and ‘Z’ is 56 years and present average age of ‘Y’ and ‘Z’ is 22 years. Find the present age of ‘X’.
According to the question, Present ages of (X + Y) = 16 × 2 = 32…. (1) Than, the Present ages of (X + Z) = 56 × 2 = 112…. (2) Than, the Present ages of (Y + Z) = 22 × 2 = 44….. (3) Therefore From equations (1), (2) and (3), we get Present ages of (X + Y + Z) = (32 + 112+ 44)/2 = 94 years Therefore From equation (3)we will get the, present age of ‘X’ = 94 – 44 = 50 years
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