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Ravi’s present age is three times his son’s present age and 4/5th of his father’s present age. The average of the present ages of all of them is 62 years. What is the difference between the Ravi’s son’s present age and Ravi’s father’s present age?
62 years
69 years
67 years
66 years
Present age of Ravi is = 4/5x Present age of Ravi’s father is = 4/15x Ratio = 15: 12 : 4 Difference between the Ravi’s son’s present age and Ravi’s father’s present age = 62/31 * 3(15 – 4). = 2*3*11 = 66 year.
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